Facultative

capable of living in varying conditions. For example, facultative cleaners will feed on parasites but do not rely only them for food.
Found on http://www.coralrealm.com/viewpage.html?page=/glossary.html

Facultative

The ability of an organism to grow either in the presence of absence of an environmental factor (e.g. facultative aerobe, facultative psychrophile).
Found on http://www.encyclo.co.uk/visitor-contributions.php

facultative

[adj] - of or relating to the mental faculties 2. [adj] - (biology) able to exist under more than one set of conditions 3. [adj] - granting a privilege or permission or power to do or not do something 4. [adj] - not compulsory
Found on http://www.webdictionary.co.uk/definition.php?query=facultative

Facultative

having the power to live under different conditions either with or without oxygen.
Found on http://www.chemicalglossary.net/definition/731-Facultative

Facultative

Facultative: 1. In general, not obligatory but rather capable of adapting to different conditions. The opposite of facultative is obligate. 2. In bacteriology, bacteria that can grow under either aerobic or anaerobic circumstances (with or without oxygen).
Found on http://www.medterms.com/script/main/art.asp?articlekey=31986

Facultative

Fac'ul·ta·tive adjective [ Latin facultas , -atis , faculty: confer French facultatif , German fakultativ .] 1. Having relation to the grant or exercise faculty, or authority, privilege, license, or the like hence, optional; as, facultative enactments, or t
Found on http://www.encyclo.co.uk/webster/F/2

facultative

Of parasites, optional. ... Compare: obligate. ... (09 Oct 1997) ...
Found on http://www.mondofacto.com/facts/dictionary?facultative

facultative

adjective not compulsory; `facultative courses in the sciences`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=facultative

facultative

adjective granting a privilege or permission or power to do or not do something; `a facultative enactment`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=facultative

facultative

adjective of or relating to the mental faculties
Found on http://wordnetweb.princeton.edu/perl/webwn?s=facultative

facultative

adjective able to exist under more than one set of conditions; `a facultative parasite can exist as a parasite or a saprophyte`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=facultative

facultative

(fak´әl-ta″tiv) not obligatory; pertaining to or characterized by the ability to adjust to particular circumstances or to assume a particular role.
Found on http://www.encyclo.co.uk/local/21001

Facultative

• (a.) Of such a character as to admit of existing under various forms or conditions, or of happening or not happening, or the like; • (a.) Having the power to live under different conditions; as, a facultative parasite, a plant which is normally saprophytic, but which may exist wholly or in part as a parasite; -- opposed to obligate. &bu
Found on http://thinkexist.com/dictionary/meaning/facultative/

facultative

Type: Term Pronunciation: fak′ŭl-tā′tiv Definitions: 1. Able to live under more than one specific set of environmental conditions; possessing an alternative pathway.
Found on http://www.medilexicon.com/medicaldictionary.php?t=31842

facultative

having the power to live under different conditions either with or without oxygen.
Found on http://www.hach.com/chemGlossary

facultative

of parasites, optional; compare obligate.
Found on http://en.wikipedia.org/wiki/Glossary_of_botanical_terms

Facultative

optional - occurs in some members in some years or situations. E.g., birds move different distances in different years depending on food variability.
Found on http://www.sialis.org/glossary.htm

Facultative

Exhibiting an indicated lifestyle under some environmental conditions, but not under others.
Found on http://www.geog.ubc.ca/biodiversity/efauna/InsectGlossary.html

facultative

in general, not obligatory but rather capable of adapting to different conditions
Found on http://www.kerbtier.de/Pages/Glossar/enGlossar.html

facultative

optional; incidental; conferring privilege
Found on http://phrontistery.info/f.html
No exact match found