Facultative — Fac ul*ta*tive, a. [L. facultas, atis, faculty: cf. F. facultatif, G. fakultativ.] 1. Having relation to the grant or exercise faculty, or authority, privilege, license, or the like hence, optional; as, facultative enactments, or those which… … The Collaborative International Dictionary of English
facultative — facultative. См. факультативный. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) … Молекулярная биология и генетика. Толковый словарь.
facultative — index voluntary Burton s Legal Thesaurus. William C. Burton. 2006 … Law dictionary
facultative — [fak′əl tāt΄iv] adj. [Fr facultatif < L facultas: see FACULTY] 1. a) granting a faculty, or permission; permissive b) optional 2. that may or may not happen or be; contingent 3. having to do with a faculty or faculties … English World dictionary
facultative — ● facultatif, facultative adjectif (latin facultas, atis, faculté) Qu on a la liberté de faire ou de ne pas faire : Présence facultative. ● facultatif, facultative (expressions) adjectif (latin facultas, atis, faculté) Arrêt facultatif, arrêt où… … Encyclopédie Universelle
facultative — adjective Date: 1820 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 … New Collegiate Dictionary
facultative — Able to live under more than one specific set of environmental conditions; possessing an alternative pathway. * * * fac·ul·ta·tive fak əl .tāt iv adj 1) taking place under some conditions but not under others <facultative parasitism> 2)… … Medical dictionary
facultative — not limited to; not dependent on. Opposite of obligatory, e.g. Oncorhynchus mykiss is a facultative marine fish, being capable of entering freshwater … Dictionary of ichthyology
facultative — [ fak(ə)lˌtətɪv] adjective 1》 occurring optionally in response to circumstances rather than by nature. 2》 Biology capable of but not restricted to a particular function or mode of life: a facultative parasite. Derivatives facultatively adverb… … English new terms dictionary
facultative — adj. describing an organism that is not restricted to one way of life. A facultative parasite can live either as a parasite or, in different conditions, as a nonparasite able to survive without a host. Compare: obligate … The new mediacal dictionary