facultative

play
adjective fac·ul·ta·tive \ˈfa-kəl-ˌtā-tiv, British -tə-tiv\

Definition of facultative

  1. 1a :  of or relating to the grant of permission, authority, or privilege facultative legislationb :  optional

  2. 2 :  of or relating to a mental faculty

  3. 3a :  taking place under some conditions but not under others facultative diapauseb :  exhibiting an indicated lifestyle under some environmental conditions but not under others facultative anaerobes

facultatively

adverb

1820

First Known Use of facultative

1820


Medical Dictionary

facultative

play
adjective fac·ul·ta·tive \ˈfak-əl-ˌtāt-iv\

Medical Definition of facultative

  1. 1:  taking place under some conditions but not under others facultative parasitism

  2. 2:  exhibiting an indicated lifestyle under some environmental conditions but not under others facultative anaerobes

facultatively

adverb


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