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单词 branch
释义 branch
I. \ˈbranch, -aa(ə)-, -ai-, -ȧ-\ noun
(-es)
Usage: often attributive
Etymology: Middle English braunche, from Old French branche, from Late Latin branca paw
1. : a stem growing from the trunk or from a limb of a tree; specifically : a shoot or secondary stem growing from the main stem
2. : something that extends from, enters into, or is an offshoot of a main body or source: as
 a.
  (1) : a stream that flows into another usually larger stream : affluent, tributary
  (2) South and Midland : creek 2
  (3) : an effluent stream
   < a delta branch >
  (4) : a reentrant stream : by-channel, anabranch
  (5) : a fork of a tidal river (as of the Severn river in Maryland)
 b. : a side road or way
  < a logging railroad whose branches spread through thousands of square miles — American Guide Series: Minnesota >
 c.
  (1) : a slender projection (as the tine of an antler or arm of a candelabrum)
  (2) : a rib in Gothic vaulting; especially : one of the smaller ribs in a complicated vault
  (3) : either side of a horseshoe
  (4) : a pipe joined to and diverging from the barrel of another pipe; also : a forked pipe connection
 d. archaic : scion, descendant
 e.
  (1) mathematics : one of the portions of a curve (as a hyperbola)
  (2) : either of the two partial series of lines in a spectral band that proceed in opposite directions from the zero line of the band
3. : a part of a complex body: as
 a. : a division of a family descending from a particular ancestor as distinguished from those descending from his relations
  < the Connecticut branch of an old Boston family >
 b. : an area of knowledge that may be considered or studied apart from related areas
  < pathology is a branch of medicine >
 c.
  (1) : a section, department, or division of an organization
   < a branch of the armed service >
   < the two branches of Congress >
  (2) : a subordinate or dependent part of a central system or organization
   < a neighborhood branch of a city library >
   < a branch bank in a suburb >
 d.
  (1) : a primary division of the animal kingdom — see phylum
  (2) in the classification of languages of the eastern hemisphere : a number of related languages forming a category less inclusive than a family or subfamily
   < the Germanic branch of the Indo-European language family >
4. : a warrant or commission given to a pilot authorizing him to pilot ships in certain waters
 < a branch pilot >
II. verb
(-ed/-ing/-es)
Etymology: Middle English braunchen, from braunche, n.
intransitive verb
1. : to put or hold forth branches : ramify
 < a great elm branching over the roof >
2. : to spring off or out (as from a main stem or root) : diverge
 < streets branching from either side of the highway >
— often used with off
 < his mind kept branching off into the contemplation of silly things — Liam O'Flaherty >
3. : to become derived : be an outgrowth — used with from
 < poetry that branched from Baudelaire — Douglas Stewart >
4. : to extend activities : enlarge or develop by taking up something different or by adding on something new — usually used with out
 < car manufacturers branched out into tank and cannon manufacture >
transitive verb
1. : to ornament with designs of branches or foliage
 < branch velvet >
2. : to divide up : arrange, section
 < branching his treatment of the problem into three equal parts >
Synonyms:
 ramify, divaricate, fork, furcate, bifurcate: branch (often used with off, from, out) is applicable to any developing or projecting comparable to the sending out of a branch by a tree or to a split growth comparable to the main fork of a tree trunk
  < roads branching off the main highways >
  < little streams branching from the river >
  < branching out from building houses to selling real estate >
  < the river branches to form the various delta channels >
  ramify may suggest an intricate dividing or subdividing, sometimes to the extent of interconnecting, permeating, or affecting a whole area
  < the system of arteries and veins ramifying over the whole body >
  < an inquiry into the nature of the genres and the boundaries of the arts ramifies out in every direction — Irving Babbitt >
  < a ramifying network of social relations, with every chance that its force may be multiplied or deflected in the devious process of transmission — Max Lerner & Edwin Mims >
  divaricate is a technical term indicating splitting into two main branches
  < elm tree trunks often divaricate >
  fork indicates a splitting or development at a specific point into what may be likened to tines or branches
  < the river forks forming an island >
  < the main road forks into two smaller roads >
  furcate, now uncommon, and bifurcate, explicitly indicating a division into two, are more learned synonyms for fork
  < though Islam bifurcated into the sects of the Sunnis and the Shi'is as the Christian Church bifurcated into the Catholic and Orthodox Churches — A.J.Toynbee >
  < the inevitable moment when the channel bifurcated and a choice had to be made — C.S.Forester >
III. noun
: a part of a computer program executed as a result of a program decision
IV. intransitive verb
: to follow one of two or more branches (as in a computer program)
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更新时间:2024/11/13 19:28:46