Definition of Facultative. Meaning of Facultative. Synonyms of Facultative

Here you will find one or more explanations in English for the word Facultative. Also in the bottom left of the page several parts of wikipedia pages related to the word Facultative and, of course, Facultative synonyms and on the right images related to the word Facultative.

Definition of Facultative

Facultative
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 convey a faculty, or permission; the facultative referendum of Switzerland is one that is optional with the people and is necessary only when demanded by petition; facultative studies; -- opposed to obligatory and compulsory, and sometimes used with to. 2. Of such a character as to admit of existing under various forms or conditions, or of happening or not happening, or the like; specif.: (Biol.) 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. 3. (Physiol.) Pertaining to a faculty or faculties. In short, there is no facultative plurality in the mind; it is a single organ of true judgment for all purposes, cognitive or practical. --J. Martineau.

Meaning of Facultative from wikipedia

- phrases such as: Facultative (FAC), facultative wetland (FACW), or facultative upland (FACU): wetland indicator statuses for plants Facultative anaerobe, an...
- A facultative anaerobic organism is an organism that makes ATP by aerobic respiration if oxygen is present, but is capable of switching to fermentation...
- switch between ****ual reproduction and parthenogenesis. This is called facultative parthenogenesis (other terms are cyclical parthenogenesis, heterogamy...
- methods of reinsurance: Facultative Reinsurance, which is negotiated separately for each insurance policy that is reinsured. Facultative reinsurance is normally...
- A facultative parasite is an organism that may resort to parasitic activity, but does not absolutely rely on any host for completion of its life cycle...
- facultative biped is an animal that is capable of walking or running on two legs (bipedal), as a response to exceptional cir****stances (facultative)...
- species are also capable of parthenogenesis in the absence of males (facultative parthenogenesis), but recent research has revealed that this ability...
- those that also consume non-animal food are called mesocarnivores, or facultative carnivores, or omnivores (there are no clear distinctions). A carnivore...
- constitutive gene is a gene that is transcribed continually as opposed to a facultative gene, which is only transcribed when needed. A housekeeping gene is a...
- Look up saprotroph in Wiktionary, the free dictionary. Saprotrophic nutrition /sæprəˈtrɒfɪk, -proʊ-/ or lysotrophic nutrition is a process of chemoheterotrophic...