| 释义 |
facultativeenUK
fac·ul·ta·tive F0008600 (făk′əl-tā′tĭv)adj.1. Of or relating to a mental faculty.2. a. Capable of occurring or not occurring; contingent.b. Not required or compulsory; optional.3. Granting permission or authority.4. Biology Capable of functioning under varying environmental conditions. Used of certain organisms, such as bacteria that can live with or without oxygen.
fac′ul·ta′tive·ly adv.facultative (ˈfækəltətɪv) adj1. (Law) empowering but not compelling the doing of an act2. (Philosophy) philosophy that may or may not occur3. (Insurance) 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 reinsurance4. (Biology) biology able to exist under more than one set of environmental conditions: a facultative parasite can exist as a parasite or a saprotroph. Compare obligate45. of or relating to a faculty ˈfacultatively advfac•ul•ta•tive (ˈfæk əlˌteɪ tɪv)
adj. 1. conferring a faculty, privilege, permission, or the power of doing or not doing something: a facultative enactment. 2. being left to one's option or choice; optional. 3. having the capacity to live under more than one specific set of environmental conditions, as a plant that can lead either a parasitic or a nonparasitic life (opposed to obligate). 4. of or pertaining to the mental faculties. 5. having the potential of taking place or assuming a specified character. [1810–20; < French] fac′ul•ta`tive•ly, adv. Thesaurus| Adj. | 1. | facultative - of or relating to the mental faculties | | 2. | facultative - able to exist under more than one set of conditions; "a facultative parasite can exist as a parasite or a saprophyte"biological science, biology - the science that studies living organismsobligate - restricted to a particular condition of life; "an obligate anaerobe can survive only in the absence of oxygen" | | 3. | facultative - granting a privilege or permission or power to do or not do something; "a facultative enactment"enabling - providing legal power or sanction; "an enabling resolution"; "enabling power" | | 4. | facultative - not compulsory; "facultative courses in the sciences"optional - possible but not necessary; left to personal choice |
facultativeadjectiveNot compulsory or automatic:discretionary, elective, optional.TranslationsfacultativeenUK
facultative [fak´ul-ta″tiv] not obligatory; pertaining to or characterized by the ability to adjust to particular circumstances or to assume a particular role.fac·ul·ta·tive (fak'ŭl-tā'tiv), Able to live under more than one specific set of environmental conditions; possessing an alternative pathway.facultative (făk′əl-tā′tĭv)adj.1. Of or relating to a mental faculty.2. Biology Capable of functioning under varying environmental conditions. Used of certain organisms, such as bacteria that can live with or without oxygen.
fac′ul·ta′tive·ly adv.fac·ul·ta·tive (fak'ŭl-tā'tiv) In biology, able to live under more than one specific set of environmental conditions; possessing an alternative pathway. facultative 1. Capable of adapting in response to changing environments. Used especially of micro-organisms that can grow either in an atmosphere of oxygen (aerobic) or in the absence of oxygen (anaerobic) or of those capable of living either as parasites or non-parasites. 2. Of organisms with a usual or preferred metabolic process, but which are capable, under unusual conditions, of adopting an alternative metabolic pathway. facultative (of an organism) being capable of adopting an alternative life style from the normal one. In this context, the word ‘facultative’ is followed by the unusual life style. Thus, a facultative PARASITE is one that is normally saprophytic but is occasionally parasitic; a facultative SAPROPHYTE is one that is normally parasitic but can become saprophytic; a facultative ANAEROBE is an organism such as yeast, that is normally aerobic but can exist in anaerobic conditions. Compare OBLIGATE.fac·ul·ta·tive (fak'ŭl-tā'tiv) Able to live under more than one specific set of environmental conditions; possessing an alternative pathway. facultativeenUK
Related to facultative: facultative anaerobe, facultative parasite, Facultative reinsurancefacultative empowering but not compelling the doing of an act.facultativeenUK
Related to facultative: facultative anaerobe, facultative parasite, Facultative reinsuranceSynonyms for facultativeadj not compulsory or automaticSynonyms- discretionary
- elective
- optional
Antonyms for facultativeadj able to exist under more than one set of conditionsRelated Words- biological science
- biology
Antonymsadj granting a privilege or permission or power to do or not do somethingRelated Wordsadj not compulsoryRelated Words |