facultative
Use Facultative in a sentence
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əlˌteɪ adjective
1.
conferring a faculty, privilege, permission, or the power of doing or not doing something: a facultative enactment.
2.
left to one's option or choice; optional: The last questions in the examination were facultative.
3.
that may or may not take place; that may or may not assume a specified character.
4.
5.
of or pertaining to the faculties.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To facultative
00:10
Facultative
is always a great word to know.
So is homogenesis. Does it mean:
| the merging of two or more cells into a single cell |
| reproduction in which the offspring resemble the parents and undergo the same cycle of development |
Collins
World English Dictionary
facultative (ˈfækəltətɪv) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —adj | |
| 1. | empowering but not compelling the doing of an act |
| 2. | philosophy that may or may not occur |
| 3. | insurance denoting a form of reinsurance in which the reinsurer has no obligation to accept a particular risk nor the insurer to reinsure, terms and conditions being negotiated for each reinsurance |
| 4. | biology Compare obligate able to exist under more than one set of environmental conditions: a facultative parasite can exist as a parasite or a saprotroph |
| 5. | of or relating to a faculty |
| 'facultatively | |
| —adv | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary
facultative fac·ul·ta·tive (fāk'əl-tā'tĭv)
adj.
Capable of functioning under varying environmental conditions. Used of certain organisms, such as bacteria that can live with or without oxygen.
Capable of occurring along various pathways or under various conditions.
fac'ul·ta'tive·ly adv.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
| facultative (fāk'əl-tā'tĭv) Pronunciation Key
Capable of existing under varying environmental conditions or by assuming various behaviors. Bacteria that are facultative aerobes can live in both aerobic and anaerobic environments. A facultative parasite can live independently of its usual host. Compare obligate. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
The facility uses facultative bacteria to nitrify the leachate ammonium to nitrate.
Naturally it is not a fixation upon a given strategy, but a facultative flexibility in learning from others.
Facultative mimicry: cues for colour change and colour accuracy in a coral reef fish.
Reinsurance contracts are generally categorized as facultative reinsurance or treaty reinsurance.
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