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单词 clearance
释义

clearance


clear·ance

C0397200 (klîr′əns)n.1. The act or process of clearing.2. A space cleared; a clearing.3. a. The amount of space or distance by which a moving object clears something.b. The height or width of a passage: an underpass with a 13-foot clearance.4. An intervening space or distance allowing free play, as between machine parts.5. Permission for an aircraft, ship, or other vehicle to proceed, as after an inspection of equipment or cargo or during certain traffic conditions.6. Official certification of blamelessness, trustworthiness, or suitability.7. A sale, generally at reduced prices, to dispose of old merchandise.8. The passage of checks and other bills of exchange through a clearing-house.9. a. The removal by the kidneys of a substance from blood plasma.b. Renal clearance.

clearance

(ˈklɪərəns) n1. a. the process or an instance of clearing: slum clearance. b. (as modifier): a clearance order. 2. space between two parts in motion or in relative motion3. permission for an aircraft, ship, passengers, etc, to proceed4. official permission to have access to secret information, projects, areas, etc5. (Banking & Finance) banking the exchange of commercial documents drawn on the members of a clearing house6. (Commerce) a. the disposal of merchandise at reduced pricesb. (as modifier): a clearance sale. 7. (General Sporting Terms) sport a. the act of hitting or kicking a ball out of the defensive area, as in footballb. an instance of this8. (Historical Terms) the act of clearing an area of land of its inhabitants by mass eviction. See Highland Clearances9. (Dentistry) dentistry the extraction of all of a person's teeth10. (Forestry) a less common word for clearing

clear•ance

(ˈklɪər əns)

n. 1. the act of clearing. 2. the distance between two objects; an amount of clear space. 3. a formal authorization permitting access to classified information, documents, etc. 4. Also called clear′ance sale`. the disposal of merchandise at reduced prices to make room for new goods. 5. a space between two moving machine parts, left to avoid clashing or to permit relatively free motion. 6. a. the clearing of a ship at a port. b. Also called clear′ance pa`pers. the official papers certifying this. [1555–65]
Thesaurus
Noun1.clearance - the distance by which one thing clears anotherclearance - the distance by which one thing clears another; the space between theminterval, separation - the distance between things; "fragile items require separation and cushioning"
2.clearance - vertical space available to allow easy passage under somethingheadroom, headwayelbow room, room, way - space for movement; "room to pass"; "make way for"; "hardly enough elbow room to turn around"
3.clearance - permission to proceed; "the plane was given clearance to land"permission, permit, license - the act of giving a formal (usually written) authorization

clearance

noun1. evacuation, emptying, withdrawal, removal, eviction, depopulation By the late fifties, slum clearance was the watchword in town planning.2. permission, consent, endorsement, green light, authorization, blank cheque, go-ahead (informal), leave, sanction, O.K. or okay (informal) He has a security clearance that allows him access to classified information.3. space, gap, margin, allowance, headroom The lowest fixed bridge has 12.8m clearance.

clearance

nounThe act or process of eliminating:elimination, eradication, liquidation, purge, removal, riddance.
Translations
净空净空高度清除许可证

clear

(kliə) adjective1. easy to see through; transparent. clear glass. 清澈的 清澈的2. free from mist or cloud. Isn't the sky clear! 睛空無雲的,晴朗的 睛空无云的,晴朗的 3. easy to see, hear or understand. a clear explanation; The details on that photograph are very clear. 清晰的 清晰的4. free from difficulty or obstacles. a clear road ahead. 暢通的 畅通的5. free from guilt etc. a clear conscience. 無罪的 无罪的6. free from doubt etc. Are you quite clear about what I mean? 清楚的 清楚的7. (often with of) without (risk of) being touched, caught etc. Is the ship clear of the rocks? clear of danger. 無險阻的 无险阻的8. (often with of) free. clear of debt; clear of all infection. 完全沒有 完全没有的 verb1. to make or become free from obstacles etc. He cleared the table; I cleared my throat; He cleared the path of debris. 清除 清除2. (often with of) to prove the innocence of; to declare to be innocent. He was cleared of all charges. 宣佈...無罪 宣布...无罪3. (of the sky etc) to become bright, free from cloud etc. (天空)變明朗 变明朗4. to get over or past something without touching it. He cleared the jump easily. (不接觸地)越過或通過 越过ˈclearance noun1. the act of clearing or removing. The clearance of these trees from the front of the window will give you more light. 清除 清除2. the empty space between two objects. You can drive the lorry under the bridge – there's a clearance of half a metre. 淨空 净空3. (a certificate) giving permission for something to be done. 許可證 许可证ˈclearing noun a piece of land cleared of wood etc for cultivation. a clearing in the forest. (森林中的)空曠地 (森林中的)空旷地 ˈclearly adverb 明白地 明白地ˈclearness noun 清晰 清晰ˌclear-ˈcut adjective having a clear outline; plain and definite. clear-cut features. 輪廓清楚的 轮廓清楚的ˈclearway noun a stretch of road on which motorists are forbidden to stop. 高速公路 高速公路,超速道路 clear off to go away. He cleared off without saying a word. 走開 走开clear out1. to get rid of. He cleared the rubbish out of the attic. 把...掃出 把...扫出2. to make tidy by emptying etc. He has cleared out the attic. 把...清出 把...清空clear up1. to make clean, tidy etc. Clear up this mess! 整理,清乾淨 整理2. to become better etc. If the weather clears up, we'll go for a picnic. 變好 变好in the clear no longer under suspicion, in danger etc. 重獲清白,脫離險境 无罪,重获清白,不再有危险

clearance

净空高度zhCN

Clearance


clearance

1. a. the disposal of merchandise at reduced prices b. (as modifier): a clearance sale 2. the act of clearing an area of land of its inhabitants by mass eviction 3. Dentistry the extraction of all of a person's teeth 4. a less common word for clearing

Clearance

 

the maximum profile of an object. As applied to transport vehicles and the moving parts of stationary machines, clearance is determined on the basis of their safe movement among other machines and structures. Outside the clearance, which permits the movement of machines in different directions, it is possible to erect structures and set up machines, lathes, and the safety zone for people. For example, the clearance of a moving train is the maximum profile in a plane perpendicular to the axis of the railway track beyond which no part of a locomotive or car should project when in working order. A railway clearance gauge is the maximum profile in a plane perpendicular to the axis of the railway track within which no parts of structures and equipment should extend. Meeting these clearances ensures the safe movement of trains in tunnels, on bridges, and under over-bridges. Underbridge clearance is the profile of the clear opening under a bridge between the bottom of its span structure and the estimated navigable level in height and between the supports of the span in width.

REFERENCES

Evgrafov, G. K., and N. N. Bogdanov. Proektirovanie mostov. Moscow, 1966.
Evgrafov, G. K., and N. N. Bogdanov. Zheleznye dorogi. Moscow, 1968.
Evgrafov, G. K., and N. N. Bogdanov. AvtomobiV. Ekspluatatsiia i remont. Entsiklopedicheskii slovar’-spravochnik. Moscow, 1968.

I. A. IVANOV


Clearance

 

the distance from ground level (plane of reference) to the lowest structural member of a motor vehicle, excluding the wheels; one of the parameters that determine the operational trafficability of motor vehicles.

The minimum permissible clearances established in the USSR are 200 mm, 240 mm, 260 mm, and 270 mm for fully loaded trucks with carrying capacities of 1.5 tons, 3 tons, 5 tons, and 8-12 tons, respectively, and 240-270 mm for buses, depending on their length and purpose.

clearance

[′klir·əns] (engineering) Unobstructed space required for occasional removal of parts of equipment. (mechanical engineering) In a piston-and-cylinder mechanism, the space at the end of the cylinder when the piston is at dead-center position toward the end of the cylinder. The ratio of the volume of this space to the piston displacement during a stroke. (mining engineering) The space between the top or side of a car and the roof or wall. (navigation) The clear space between a vessel and an object such as a navigation light, hazard to navigation, or another vessel. A specific message from air-traffic control to a pilot of an aircraft allowing him to proceed in accordance with the flight plan which the pilot had filed, or with some modification of the original plan. In the instrument landing system, the difference in the depth of modulation which is required to produce a full-scale deflection of the course deviation indicator needle in any flight sector outside the on-course sectors. (ordnance) Elevation of a gun at such an angle that a projectile will not strike an obstacle between the muzzle and the target. (petroleum engineering) The annular space between down-hole drill-string equipment, such as bits, core barrels, and casing, and the walls of the borehole with the down-hole equipment centered in the hole.

clearance

1. Open space between two elements of a building to aid in proper placement, to compensate for minor inaccuracies in cutting, or to allow unobstructed movement between parts. 2. The space or distance allowed for anchorage or erection processes or to accommodate dimensional variations in the building structure. 3. See door clearance.

air traffic control clearance

Authorization for an aircraft to proceed under conditions specified by an air traffic control unit (ICAO). This is to prevent collisions between known aircraft. The pilot-in-command of an aircraft must not deviate from the provisions of VFR (visual flight rules) or IFR (instrument flight rules) air traffic clearance except in an emergency or unless an amended clearance has been obtained. Additionally, the pilot may request a different clearance if he or she has information available that makes another course of action more practical or if aircraft equipment limitations or company procedures forbid compliance with the clearance issued. Pilots may also request clarification or amendment, as appropriate, any time a clearance is not fully understood or is considered unacceptable because of safety. Controllers should, in any such instance and to the extent of operational practicality and safety, honor the pilot's request. The pilot is responsible for requesting an amended clearance if ATC issues a clearance that would cause him or her to deviate from a rule or regulation, or, in the pilot's opinion, would place the aircraft in jeopardy. Normally, only the word clearance is used, and it may be prefixed by words such as start-up, taxi, takeoff, departure, Approach, or landing to indicate the particular portion of flight to which the ATC clearance relates. Also called an air traffic clearance.

clearance


clear·ance

(klēr'ants), 1. Removal of a substance from the blood, for example, by renal excretion, expressed in terms of the volume flow of arterial blood or plasma that would contain the amount of substance removed per unit of time; measured in mL/min. Renal clearance of any substance except urea or free water is calculated as the urine flow in mL/min multiplied by the urinary concentration of the substance divided by the arterial plasma concentration of the substance; normal human values are commonly expressed per 1.73 m2 body surface area. 2. A condition in which bodies may pass each other without hindrance, or the distance between bodies. 3. Removal of something from some place; for example, esophageal acid clearance refers to removal from the esophagus of some acid that has refluxed into it from the stomach, evaluated by the time taken for restoration of a normal pH in the esophagus.

clearance

(klîr′əns)n.1. A space cleared; a clearing.2. a. The removal by the kidneys of a substance from blood plasma.b. Renal clearance.
FDAspeak See Marketing clearance
Occupational medicine The amount of space above a worker’s head
Pharmacology A measure of the elimination of a drug, therapeutic agent, or other substance from the body or other biologic system; clearance is expressed as a hypothetical volume that is completely removed in a given unit of time
Pharmacokinetics The product of the volume of distribution and the elimination rate constant; much of a drug’s elimination is via the kidneys and clearance is commonly expressed in mL/min or L/hr
Physiology
(1) The removal of a substance from the blood by metabolism or excretion
(2) A quantitative measure of such a removal
Vox populi The amount of space between 2 closely related substances

clearance

Pharmacology The elimination of a drug, therapeutic agent, or other substance from the body or other biologic system; clearance is expressed as a hypothetical volume that is completely removed in a given unit of time; in terms of pharmacokinetics, clearance is the product of the volume of distribution and the elimination rate constant; much of a drug's elimination is via the kidneys and clearance is commonly expressed in mL/min or L/hr. See Hepatic clearance, Renal clearance, Therapeutic drug monitoring, Total body clearance Physiology 1. The removal of a substance from the blood by metabolism or excretion. See Nasal mucociliary clearance.2. A quantitative measure of item 1.

clear·ance

(klēr'ăns) 1. Indicated as C with a subscript to show the substance removed: removal of a substance from the blood, e.g., by renal excretion, expressed in terms of the volume flow of arterial blood or plasma that would contain the amount of substance removed per unit time; measured in mL per minute; normal values in humans are commonly expressed per 1.73 m2 body surface area. 2. A condition in which bodies may pass each other without hindrance, or the distance between bodies. 3. Removal of something from some place; e.g., "esophageal acid clearance" refers to removal from the esophagus of acid that has refluxed into it from the stomach, evaluated by the time taken for restoration of a normal pH in the esophagus.

clearance

1. The removal of a substance from the blood, usually by the kidneys. 2. The rate of such removal.

clear·ance

(klēr'ăns) Removal of something from an area.

Clearance


Related to Clearance: renal clearance, clearance letter, drug clearance

CLEARANCE, com. law. The name of a certificate given by the collector of a port, in which is stated the master or commander (naming him) of a ship or vessel named and described, bound for a port, named, and having on board goods described, has entered and cleared his ship or vessel according to law.
2. The Act of Congress of 2d March, 1790, section 93, directs, that the master of any vessel bound to a foreign place, shall deliver to the collector of the [dis ot?] from which such vessel shall be about to depart, amanifest of all the cargo on board, and the value thereof, by him subscribed, and shall swear or affirm to the truth thereof; whereupon the collector shall grant a clearance for such vessel and her cargo; but without specifying the particulars thereof in such clearance, unless required by the master so to do. And if any vessel bound to any foreign place shall depart on her voyage to such foreign place, without delivering such a manifest and obtaining a clearance, the master shall forfeit and pay the sum of five hundred dollars for every such offence. Provided, anything to the contrary notwithstanding, the collectors and other officers of the customs shall pay due regard to the inspection laws of the states in which they respectively act, in such manner, that no vessel having on board goods liable to inspection, shall be cleared out, until the master or other person shall have produced such certificate, that all such goods have been duly inspected, as the laws of the respective states do or may require, to be produced to the collector or other officer of the customs. And provided, that receipts for the payment of all legal fees which shall have accrued on any vessel, shall, before any clearance is granted, be produced to the collector or other officer aforesaid.
3. According to Boulay-Paty, Dr. Com. tome 2, p. 19, the clearance is imperiously demanded for the safety of the vessel; for if a vessel should be found without it at sea, it may be legally taken and brought into some port for adjudication, on a charge of piracy. Vide Ship's papers.

Clearance


Clearance

The process of settling transactions. Most exchanges have one or more clearing houses, which are charged with matching orders together, ensuring that deliveries are made to the correct parties, and collecting margin money. Because so many trades take place on an exchange in a given day, clearing houses exist to process what each party owes or is owed in a central location so the fewest securities actually change hands. For example, suppose that a broker-dealer buys 1000 shares of a security and then, in a completely separate transaction, sells 700 of the same shares. At the end of the trading day, the clearing house would determine that the broker-dealer must only buy 300 shares as the other 700 belong to another party. Clearing houses receive a clearing fee in exchange for clearance services.

Clearance.

Clearance is the first half of the process that completes your order to buy or sell a security. During clearance, the details on both sides of the transaction are compared electronically to ensure that the order to buy and the order to sell correspond.

For example, in a stock transaction, the Committee on Uniform Securities Identification Procedures (CUSIP) number, the number of shares, and the price per share must match.

Next, transactions within each broker-dealer are netted down, or offset, by matching its clients' buy orders against sell orders from others of its clients or among a group of affiliated firms. Their records are then updated to reflect the new ownership and account balances.

Any unmatched orders are forwarded to the National Securities Clearing Corporation (NSCC), which instructs selling broker-dealers to provide the relevant securities and the buying broker-dealer to send the cash.

See CLNC
See CLX

clearance


Related to clearance: renal clearance, clearance letter, drug clearance
  • noun

Synonyms for clearance

noun evacuation

Synonyms

  • evacuation
  • emptying
  • withdrawal
  • removal
  • eviction
  • depopulation

noun permission

Synonyms

  • permission
  • consent
  • endorsement
  • green light
  • authorization
  • blank cheque
  • go-ahead
  • leave
  • sanction
  • O.K. or okay

noun space

Synonyms

  • space
  • gap
  • margin
  • allowance
  • headroom

Synonyms for clearance

noun the act or process of eliminating

Synonyms

  • elimination
  • eradication
  • liquidation
  • purge
  • removal
  • riddance

Synonyms for clearance

noun the distance by which one thing clears another

Related Words

  • interval
  • separation

noun vertical space available to allow easy passage under something

Synonyms

  • headroom
  • headway

Related Words

  • elbow room
  • room
  • way

noun permission to proceed

Related Words

  • permission
  • permit
  • license
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