Plumb



GRE 蓝宝 Barron TOEFL

解释

GRE 红宝书

• adv. 精确地; 完全地; v.了解意义; 测水深
• ［英］ adv. 精确地 ( exactly vertical or true) v.了解意义 ( to examine minutely and critically) ;测水深 ( to measure the depth with a plumb)
• ［记］ 由plumb ( 铅锤) 意义转化而来

Webster Collegiate

I. noun

• Etymology: Middle English, from Anglo-French plum, plomb, from Latin plumbum lead
• Date: 14th century
• a lead weight attached to a line and used to indicate a vertical direction

II. adverb

• Date: 15th century
• 1. straight down or up ; vertically
• 2. chiefly dialect to a complete degree ; absolutely <‘you're plumb crazy’, she remarked, with easy candor — Harper's Weekly>
• 3. in a direct manner ; exactly; also without interval of time ; immediately

III. verb

• Date: 15th century
• transitive verb
  • 1. to weight with lead
  • 2.
    • a. to measure the depth of with a plumb
    • b. to examine minutely and critically <plumbing the book's complexities>
  • 3. to adjust or test by a plumb line
  • 4. to seal with lead
  • 5. \［back-formation from plumber\］ to supply with or install as plumbing
• intransitive verb
  • to work as a plumber

IV. adjective

• Date: 15th century
• 1. exactly vertical or true
• 2. thorough, complete
• Synonyms: see vertical

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