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单词 bottom dead centre
释义

bottom /botˈəm/

noun
  1. The lowest part or surface of anything
  2. That on which anything rests or is founded
  3. The part of the body one sits on, buttocks
  4. The bed of the sea, a river, etc
  5. The seat of a chair
  6. The less dignified or important end (of a table, class, etc)
  7. The foot of a page, hill, etc
  8. (often pl) the lower part of a two-piece garment
  9. Low land, eg by a river
  10. The lower part of a ship, hence the ship itself
  11. Groundwork, foundation
  12. The fundamental character or ingredient
  13. Staying power, stamina
  14. Solidity of character
  15. Financial resources
  16. The portion of a wig hanging down over the shoulder
  17. (usu in pl) the dregs or sediment resulting from various industrial processes
  18. A ball of thread (Shakespeare)
adjective
  1. Undermost, lowest
  2. Fundamental
  3. (of a quark) having bottomness (physics)
transitive verb
  1. To put a bottom on
  2. To ground or base (esp with on or upon)
  3. To get to the bottom of, understand fully
  4. To get to the bottom of (a mine, etc; Aust; also intransitive verb)
  5. To wind (Shakespeare)
intransitive verb
  1. To find bottom
  2. To found, rest
ORIGIN: OE botm; Ger Boden; cognate with L fundus bottom, Gaelic bonn the sole

bottˈomed adjective

bottˈomless adjective

  1. Having no bottom
  2. Very deep
  3. Limitless

bottˈommost /-mōst or -məst/ adjective

Nearest the bottom

bottˈomness noun

A property that characterizes quarks and hadrons, conserved in strong and electromagnetic interactions between particles (also beauty)

bottˈomry noun (law)

The practice of obtaining a loan (to finance a sea voyage) using the ship as security

bottom dead centre see outer dead centre under outer

bottom drawer noun

  1. The drawer or any supposed place in which a young woman keeps articles for use after her marriage
  2. A collection of articles kept for marriage

bottom end noun

The big end in a vertical internal combustion engine

bottom feeder noun

  1. A fish that feeds on the bed of the sea, a lake, etc (also bottom fish)
  2. A despicable person (slang)

bottom fisher noun (stock exchange slang)

An investor who seeks to buy shares in badly performing companies in the hope that they will increase in value

bottˈom-glade noun (Milton)

A glade or open space in a bottom or valley

bottˈom-grass noun (Shakespeare)

Grass growing on low ground

bottˈom-heavˈy adjective

Having the lower part too heavy or large in proportion to the upper

bottˈom-hole assembly noun (mining)

The drilling string attached to the bottom of the drilling pipe, comprising the drill bit and collars to maintain direction

bottom house noun (W Indies)

The open area below a house that rests on pillars, sometimes enclosed and occupied

bottˈom-land noun (US)

Alluvial deposits

bottomless pit noun

  1. A resource that can never be exhausted
  2. (with caps; with the) Hell

bottom line noun

  1. The final line of a financial statement, showing net profit or loss
  2. The essential factor in a situation

bottˈom-sawyer noun

The sawyer who works at the bottom of the saw-pit

bottˈom-up adjective

(of eg business strategy, computer programming, etc) based on the requirements or desires of the users rather than on a centralized decision taken by the business managers or computer programmers

at bottom

Fundamentally

at the bottom of

The real origin or cause of

bet one's bottom dollar on (informal)

To bet all one has on, be absolutely certain about

bottom out (US base out)

Of prices, etc, to reach and settle at the lowest level, esp just before a rise

bottoms up

An interjection used when drinking a toast

from the bottom of one's heart

With heartfelt sincerity

get to the bottom of

To discover the explanation of

stand on one's own bottom (obsolete)

To be independent

the bottom has fallen out of the market

There has been a sudden reduction in the market demand (for something)

touch or hit bottom

To reach the lowest point

dead /ded/

adjective
  1. No longer alive
  2. Inanimate
  3. Deathlike
  4. (of a ball) at rest, out of play
  5. Out of use
  6. Obsolete
  7. Inactive
  8. No longer alight
  9. Cold and cheerless
  10. Dull
  11. Numb
  12. Insensitive
  13. Unproductive
  14. As good as dead
  15. Inelastic
  16. Without vegetation
  17. Utter, complete, absolute (slang)
  18. Unerring
transitive verb (obsolete)
  1. To deaden, dull
  2. To benumb
intransitive verb (obsolete)
  1. To lose vitality
  2. To become numb
adverb
  1. In a dead manner
  2. Absolutely
  3. Utterly
  4. Directly
  5. Exactly (informal)
  6. Extremely, esp as intensive eg dead easy, dead slow
noun

The time of greatest stillness, coldness, etc, eg the dead of night, of winter

ORIGIN: OE dēad; Gothic dauths, Ger tot, from root of die1

deadˈen transitive verb

  1. To make dead
  2. To deprive partly of vigour, sensibility or sensation
  3. To blunt
  4. To lessen
  5. To make soundproof

deadˈener noun

deadˈening noun and adjective

deadˈer noun (informal)

A corpse

deadˈliness noun

deadˈly adjective

  1. Causing death
  2. Fatal
  3. Implacable
  4. Very great (informal)
adverb
  1. In a manner resembling death
  2. Extremely (informal)

deadˈness noun

dead air noun

An unintentional and undesirable period of silence during a radio broadcast

deadˈ-aliveˈ or deadˈ-and-aliveˈ adjective

Dull, inactive

dead-ball line noun (rugby)

A line marked out behind the goal-line at each end of the pitch, beyond which the ball is out of play

deadˈbeat noun (informal)

  1. A down-and-out
  2. A lazy person
  3. One who does not pay debts (US)

dead-beatˈ adjective (informal)

Quite overcome, exhausted

dead-beat escapement noun

A clock escapement in which there is no recoil to the escape wheel

deadˈ-bolt or deadˈ-lock noun

One moved by turning the key or knob without intervention of a spring

deadˈ-born adjective

Stillborn

deadˈ-cart noun

A cart for collecting the bodies of those who died of a pestilence

dead-cat bounce noun (stock exchange sl)

A temporary recovery of share prices following a sharp fall, not indicative of a true upturn but merely caused by some reinvestment by speculators who had already sold shares

dead centre noun

  1. In a reciprocating engine or pump, either of the positions, at top and bottom of a piston stroke, at which the crank and connecting rod are in line and there is no actual turning effect (usu top or bottom dead centre)
  2. A non-rotating centre in the tailstock of a lathe

dead cert noun (slang)

Something absolutely certain, eg a certain winner in a horse race

deadˈ-clothes plural noun

Clothes to bury the dead in

deadˈ-colˈouring noun

The first broad outlines of a picture

deadˈ-deal noun

A board for measuring and lifting a corpse

deadˈ-doˈing adjective (Spenser)

Putting to death, destructive

dead drop same as dead-letter box below.

dead duck noun (informal)

A plan, idea or person, etc that has no chance of success or survival

dead end noun

  1. A pipe, passage, etc closed at one end
  2. A blind alley (lit and figurative)

dead-endˈ adjective

Leading nowhere (lit and figurative)

deadˈeye noun

  1. A round, flattish wooden block with a rope or iron band passing around it, and pierced with three holes for a lanyard (nautical)
  2. An unerring marksman

deadˈ-fall noun

A trap with a weight that falls when its support is removed

deadˈ-finˈish noun (Aust)

  1. A thicket or a thicket-forming shrub of the mimosa family (genus Albizia or Acacia)
  2. A complete standstill or vanquishment

deadˈ-fire noun

An appearance of fire taken as an omen of death

deadˈ-freight noun

Money paid for the empty space in a ship by a person who engages to freight her, but fails to make out a full cargo

deadˈ-ground noun (military)

Ground that cannot be covered by fire

dead hand noun

  1. A persisting oppressive influence
  2. Mortmain

deadˈ-head or deadˈhead noun

  1. A person who enjoys privileges without paying, eg a seat in a theatre, etc
  2. An ineffective, unproductive person
  3. A sprue (see sprue1)

transitive verb

To remove the withered heads of (flowers), in order to encourage further growth

dead heat noun

  1. A heat or race in which two or more competitors are equal
  2. The result of this, a tie

dead-heatˈ intransitive verb

deadˈhouse noun

A mortuary

dead language noun

One no longer spoken

deadˈ-lettˈer noun

  1. A letter undelivered and unclaimed at the post-office
  2. A law or ordinance made but not enforced

dead-letter box or dead-letter drop noun

A place where secret messages, etc may be left for later collection

deadˈ-lift or deadˈ-pull noun

  1. A lift or pull made without help or leverage, etc
  2. Hence an effort under discouraging conditions

deadˈlights plural noun

  1. Storm-shutters for a cabin window
  2. Thick windows in a ship's side or deck

deadˈline noun

  1. Closing date, last possible time
  2. Orig a line in a military prison, on going beyond which a prisoner was liable to be shot

dead load noun

The weight of a structure, vehicle, etc itself without any burden

deadˈlock noun

  1. The case when matters have become so complicated that all is at a complete standstill
  2. See also dead-bolt above

intransitive verb and transitive verb

To reach or bring to a standstill because of difficulties, etc

dead loss noun

  1. A complete loss
  2. A useless ally or endeavour (figurative)

deadˈ-levˈel noun

  1. A stretch of land without any rising ground
  2. Sameness

deadly nightshade noun

Belladonna

deadly sin noun

A mortal sin (see under seven)

dead man's handle noun

A device, eg on an electric train, which allows current to pass only so long as there is pressure on it

dead man's pedal noun

A foot-operated safety device on the same principle, used esp on diesel trains

dead march noun

A piece of solemn music played at funeral processions, esp of soldiers

deadˈ-meat noun

The flesh of animals ready for the market

dead men plural noun (informal)

Empty bottles after a party or drinking bout

dead-men's bells noun

The foxglove

dead men's fingers plural noun

  1. A type of soft coral, a very common actinozoan coelenterate (Alcyonium digitatum)
  2. The poisonous parts of a crab or other edible shellfish (informal)

deadˈ-nettle noun

Any species of Lamium, labiate plants superficially like nettles but stingless

dead-onˈ adjective (informal)

Accurate, spot-on (see also dead on below)

deadˈpan noun

  1. An expressionless face
  2. A person having or assuming such a face

adjective

  1. Expressionless
  2. Emotionless
  3. Completely serious or mock serious

adverb

In a deadpan manner

deadˈ-pay noun

Continued pay dishonestly drawn for men who are actually dead

dead point noun

Another (eg engineering) name for dead centre above

deadˈ-reckˈoning noun

An estimation of a ship's or aircraft's place simply by the logbook

dead ringer noun (slang)

A person who, or a thing that, looks exactly like someone or something else

deadˈ-rope noun

A rope not running in any block

Dead Sea apple or Dead Sea fruit noun

Another name for

apple of Sodom (see under apple).

deadˈ-setˈ noun

  1. A complete standstill, as of a gun dog pointing at game
  2. A determined and prolonged onslaught, esp with a view to captivation

adjective

Absolutely determined

dead shot noun

An unerring marksman

dead's part noun (Scots law)

The part of a person's moveable property which may be bequeathed by will, and which is not due to spouse and children

dead spit noun (informal)

An exact likeness

deadˈstock noun

Farm equipment

deadˈstroke adjective

Without recoil

dead tree edition noun (comput sl)

A paper version of material also available electronically

deadˈ-wall noun

A wall unbroken by windows or other openings

deadˈ-waˈter noun

  1. Still water
  2. Eddy water closing in behind a ship's stern

deadˈ-weightˈ noun

  1. Unrelieved weight
  2. Heavy and oppressive burden
  3. Difference in a ship's displacement loaded and light

dead white European male noun (informal)

Any of the writers, philosophers, etc traditionally studied and seen by some as representing an excessively Eurocentric and masculine view of culture

deadˈ-wind noun

  1. Calm (in the vortex of a storm)
  2. Headwind (obsolete)

dead wood or deadˈ-wood noun

  1. Pieces of timber laid on the upper side of the keel at either end
  2. Useless material or personnel

deadˈ-work noun

Work, itself unprofitable, but necessary as a preliminary

be dead meat (informal)

To be in very serious trouble

dead against see dead set against below.

dead as a dodo, as a doornail, as a herring or as mutton

Absolutely dead

dead drunk

Helplessly drunk

dead from the neck up (informal)

Impenetrably stupid

dead in the water

  1. (of a ship) without the power to move
  2. Unable to make progress or succeed (figurative)

dead men's shoes

Succession to someone who dies

dead on

(used of time, musical notes, etc) exact or exactly

dead set see under set

dead set against or dead against

Utterly opposed to

dead to the world (informal)

  1. Very soundly asleep
  2. Unconscious

I, etc wouldn't be seen dead (informal)

I, etc would make sure never to be seen

leave for dead

  1. To abandon, presuming dead
  2. To surpass spectacularly (informal)

over my dead body (informal)

When I am beyond caring, and not until then

put the dead wood on (slang)

To gain a great advantage over

the dead

Those who are dead

outer /owˈtər/

adjective
  1. Further out or without
  2. External, opp to inner
noun
  1. The outermost ring on a target, or a shot striking it (archery)
  2. (in an electrical distribution system) either of the conductors whose potential is above or below the earth's
  3. An unsheltered part of the spectator enclosure at a sportsground (Aust and NZ)
ORIGIN: OE ūterra

outˈermost or outˈmost /-məst or -mōst/ adjective

  1. (OE ūtemest, superlative) most or furthest out
  2. Most remote from the centre
  3. Most distant

outer bar noun

The junior barristers who plead outside the bar in court, as opposed to Queen's (or King's) Counsel and others who plead within the bar

outer dead centre noun

The position of the crank of a reciprocating engine or pump when the piston is at its nearest to the crankshaft (also bottom dead centre)

outer planet noun

Any of the planets in the solar system whose orbits lie outside the asteroid belt

outer space noun

Space beyond the earth's atmosphere

outˈerwear noun

  1. (also outer garments) clothes such as jackets, suits, coats, etc worn over other clothes
  2. Clothes put on to go out of doors

on the outer (Aust and NZ)

Excluded, out in the cold

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更新时间:2025/1/24 18:30:55