Duplicate



GRE TOEFL 考研

解释

GRE 红宝书

• adj. 完全相同的;n.复制品; v.复制
• ［英］ adj. 完全相同的 ( exactly like something else) ; v.复制 ( make an exact copy)
• ［记］ du ( 二, 双) +plic ( 重复) +ity -> 二种重复状态 -> 复制

Webster Collegiate

I. adjective

• Etymology: Middle English, from Latin duplicatus, past participle of duplicare to double, from duplic-, duplex
• Date: 15th century
• 1. consisting of or existing in two corresponding or identical parts or examples <duplicate invoices>
• 2. being the same as another <duplicate copies>

II. verb (-cated; -cating)

• Date: 15th century
• transitive verb
  • 1. to make double or twofold
  • 2.
    • a. to make a copy of <a cell duplicates itself when it divides>
    • b. to produce something equal to <trying to duplicate last year's success>
    • c. to do over or again often needlessly <duplicated effort>
• intransitive verb
  • to become duplicated; also repeat
• ? duplicative adjective

III. noun

• Date: 1532
• 1.
  • a. either of two things exactly alike and usually produced at the same time or by the same process
  • b. an additional copy of something (as a book or stamp) already in a collection
• 2. one that resembles or corresponds to another ; counterpart
• 3. two identical copies — used in the phrase in duplicate
• Synonyms: see reproduction

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