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Merriam-Webster's Collegiate Dictionary du·pli·cate
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
(-cat·ed ; -cat·ing) 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
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 English Etymology duplicate duplicate (adj.) early 15c., from L. duplicatus, pp. of duplicare"to double," from duo "two" + plicare "to fold" see ply (v.)). The noun is first recorded 1530s. The verb is attested from 1620s. Related: Duplicated; duplicating. Oxford Advanced Learner's Dictionary-牛津双解-OALD7 duplicate du·pli·cate verb/ 5dju:plikeit; NAmE 5du:- / ▪ [VN] 1. [often passive] to make an exact copy of sth 复制；复印；复写: a duplicated form 复制的表格 2. to do sth again, especially when it is unnecessary (尤指不必要时)重复,再做一次: There's no point in duplicating work already done. 重复别人已经做过的工作毫无意义。 • du·pli·ca·tion / 7dju:pli5keiFn; NAmE 7du:- / noun [U, C] adjective/ 5dju:plikEt; NAmE 5du:- / [only before noun] exactly like sth else; made as a copy of sth else 完全一样的；复制的；副本的: a duplicate invoice 发票副本 noun / 5dju:plikEt; NAmE 5du:- / one of ten or more things that are the same in every detail SYN copy
完全一样的东西；复制品；副本: Is this a duplicate or the original? 这是副本还是正本？ IDIOMS ▪ in duplicate (of documents, etc. 文件等) as ten copies that are exactly the same in every detail 一式两份的: to prepare a contract in duplicate ⇨ compare triplicate 准备一个一式两份的合同 Oxford Collocations Dictionary for Students of English duplicate noun VERB + DUPLICATE make We made a duplicate of the key. PREP. in ~ The contract is prepared in duplicate, so that both parties can sign it. OLT duplicate noun ⇨ copy 2 duplicate verb ⇨ copy (a duplicated letter)⇨ repeat 2 (duplicate work) Webster's Third New International Dictionary, Unabridged du·pli·cate I. \ˈd(y)üplə̇kə̇]t, -lēk- sometimes -ləˌkā]; usu ]d.+V\ adjective Etymology: Middle English, from Latin duplicatus, past participle of duplicare to double, from duplic-, duplex double, twofold — more at duplex 1. : consisting of or existing in two corresponding or identical parts or examples < the firm always made out duplicate invoices, one for its own records and one for the customer > 2. : being exactly the same as one or more others of its kind < in eleven years he has not made a duplicate prayer — New York Times > < make six duplicate copies of the memo > 3. : of, relating to, or being a card game in which all players play identical hands in order to allow a comparison of scores — compare duplicate bridge II. noun (-s) 1. : either of two things that exactly resemble or correspond to each other — usually used of a copy or transcript made at the same time or by the same pattern as its original 2. : something that is like another thing in content or appearance but is not derived from the same source or made in the same manner : counterpart < doll carriages that are duplicates of baby carriages > specifically : an additional copy of a book, periodical, or pamphlet already in a library 3. : a duplicate game; specifically : duplicate bridge 4. law : an original instrument repeated : a document the same as another in essential particulars and differing from a copy in that it is valid as an original 5. a. : a photographic negative prepared from another negative by printing first a master positive from which the later negative is printed b. : a positive print either black and white or color that is made by reversal development of a print from a positive • - in duplicate III. \-ləˌkāt, usu -ād.+V\ verb (-ed/-ing/-s) transitive verb 1. : to make double or twofold < the walls should be duplicated … in order to have a second line of defense if the outer wall is breached — J.A.Steers > 2. : to be or make a duplicate, copy, or transcript of < the furnishings duplicate those used by Washington — American Guide Series: Pennsylvania > < we are totally unable, after decades of experiment, to duplicateAttic glazed pottery — W.F.Albright > < small firms may duplicate their own business forms > intransitive verb : to celebrate mass twice in a day IV. intransitive verb : to become duplicate : replicate < DNA in chromosomes duplicates > |
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