Duct



GRE

解释

GRE 红宝书

• n. 管道, 槽
• ［英］ n. 管道, 槽 ( tube or channel carrying liquid, gas, electric)
• ［类］ splint : immobilize / duct : convey ( 夹板用来固定 / 管道用来运输)
• ［记］ duct本身就是词根, 意思是: 引导, 带来

Webster Collegiate

I. noun

• Etymology: New Latin ductus, from Medieval Latin, aqueduct, from Latin, act of leading, from ducere to lead — more at tow
• Date: 1667
• 1. a bodily tube or vessel especially when carrying the secretion of a gland
• 2.
  • a. a pipe, tube, or channel that conveys a substance
  • b. a pipe or tubular runway for carrying an electric power line, telephone cables, or other conductors
• 3. a tube or elongated cavity (as a xylem vessel) in plant tissue
• 4. a layer (as in the atmosphere or the ocean) which occurs under usually abnormal conditions and in which radio or sound waves are confined to a restricted path
• ? ductal adjective
• ? ductless adjective

II. transitive verb

• Date: 1936
• 1. to enclose in a duct
• 2. to convey (as a gas) through a duct; also to propagate (as radio waves) through a duct

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