facultative
fac·ul·ta·tive
adjective \ˈfa-kəl-ˌtā-tiv, British -tə-tiv\Definition of FACULTATIVE
1
a : of or relating to the grant of permission, authority, or privilege <facultative legislation> b : optional
2
: of or relating to a mental faculty
3
a : taking place under some conditions but not under others <facultative diapause> b : exhibiting an indicated lifestyle under some environmental conditions but not under others <facultative anaerobes>
— fac·ul·ta·tive·ly adverb
First Known Use of FACULTATIVE
1820
Rhymes with FACULTATIVE
aggregative, agitative, applicative, carminative, circulative, cogitative, combinative, commutative, connotative, consecrative, consultative, contemplative, copulative, corporative, denotative, dissipative, duplicative, educative, federative, generative, germinative, gravitative, imitative, implicative, innovative, instigative, integrative, irritative, iterative, legislative, limitative, meditative, meliorative, motivative, nominative, nuncupative, operative, palliative, penetrative, procreative, propagative, qualitative, quantitative, recreative, regulative, replicative, separative, terminative, vegetative
fac·ul·ta·tive
adjective \ˈfak-əl-ˌtāt-iv\ (Medical Dictionary)Medical Definition of FACULTATIVE
1
: taking place under some conditions but not under others <facultative parasitism>
2
: exhibiting an indicated lifestyle under some environmental conditions but not under others <facultative anaerobes>
—fac·ul·ta·tive·ly adverb
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