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单词 obligate
释义

obligate

[ verb ob-li-geyt; adjective ob-li-git, -geyt ]
/ verb ˈɒb lɪˌgeɪt; adjective ˈɒb lɪ gɪt, -ˌgeɪt /
SEE SYNONYMS FOR obligate ON THESAURUS.COM

verb (used with object), ob·li·gat·ed, ob·li·gat·ing.

to bind or oblige morally or legally: to obligate oneself to purchase a building.
to pledge, commit, or bind (funds, property, etc.) to meet an obligation.

adjective

morally or legally bound; obliged; constrained.
necessary; essential.
Biology. restricted to a particular condition of life, as certain organisms that can survive only in the absence of oxygen (opposed to facultative): obligate anaerobe.

Origin of obligate

First recorded in 1400–50; late Middle English obligat, from Latin obligātus (past participle of obligāre “to bind”), equivalent to ob- + ligātus; see ob-, ligate

OTHER WORDS FROM obligate

WORDS THAT MAY BE CONFUSED WITH obligate

obligate , oblige

Words nearby obligate

obl., oblanceolate, oblast, oblate, oblation, obligate, obligate aerobe, obligate anaerobe, obligate parasite, obligation, obligational
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for obligate

British Dictionary definitions for obligate

obligate
/ (ˈɒblɪˌɡeɪt) /

verb

to compel, constrain, or oblige morally or legally
(in the US) to bind (property, funds, etc) as security

adjective

compelled, bound, or restricted
biology able to exist under only one set of environmental conditionsan obligate parasite cannot live independently of its host Compare facultative (def. 4)

Derived forms of obligate

obligable, adjectiveobligative, adjectiveobligator, noun

Word Origin for obligate

C16: from Latin obligāre to oblige
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for obligate

obligate
[ ŏblĭ-gĭt, -gāt′ ]

adj.

Able to exist or survive only in a particular environment or by assuming a particular role.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for obligate

obligate
[ ŏblĭ-gĭt, -gāt′ ]

Capable of existing only in a particular environment or by assuming a particular role. An obligate aerobe, such as certain bacteria, can live only in the presence of oxygen. An obligate parasite cannot survive independently of its host. Compare facultative.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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