bicyclic

bicyclic
Cyclic Cyc"lic (s?k"l?k or s?"kl?k), Cyclical Cyc"lic*al (s?k"l?-kal), a. [Cf. F. cycluque, Gr. kykliko`s, fr. ky`klos See {Cycle}.] 1. Of or pertaining to a cycle or circle; moving in cycles; as, cyclical time. --Coleridge. [1913 Webster]

2. (Chemistry) Having atoms bonded to form a ring structure. Opposite of {acyclic}.

Note: Used most commonly in respect to organic compounds.

Note: [Narrower terms: {bicyclic}; {heterocyclic}; {homocyclic, isocyclic}]

Syn: closed-chain, closed-ring. [WordNet 1.5]

3. Recurring in cycles[2]; having a pattern that repeats at approximately equal intervals; periodic. Opposite of {noncyclic}.

Note: [Narrower terms: {alternate(prenominal), alternating(prenominal)}; {alternate(prenominal), every other(prenominal), every second(prenominal)}; {alternating(prenominal), oscillating(prenominal)}; {biyearly}; {circadian exhibiting 24-hour periodicity)}; {circular}; {daily, diurnal}; {fortnightly, biweekly}; {hourly}; {midweek, midweekly}; {seasonal}; {semestral, semestrial}; {semiannual, biannual, biyearly}; {semiweekly, biweekly}; {weekly}; {annual, yearly}; {biennial}; {bimonthly, bimestrial}; {half-hourly}; {half-yearly}; {monthly}; {tertian, alternate(prenominal)}; {triennial}] [WordNet 1.5]

4. Marked by repeated cycles[2]. [WordNet 1.5]

{Cyclic chorus}, the chorus which performed the songs and dances of the dithyrambic odes at Athens, dancing round the altar of Bacchus in a circle.

{Cyclic poets}, certain epic poets who followed Homer, and wrote merely on the Trojan war and its heroes; -- so called because keeping within the circle of a single subject. Also, any series or coterie of poets writing on one subject. --Milman. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Bicyclic — Bi*cyc lic, a. Relating to bicycles. [1913 Webster] …   The Collaborative International Dictionary of English

  • bicyclic — [bī sīk′lik] adj. 1. of or forming two cycles 2. Chem. containing only two fused rings in the molecule: Also bicyclical …   English World dictionary

  • bicyclic — 1. adjective a) Having two cycles. b) Having two rings of atoms in the molecule; the rings may be fused, as in naphthalene, or separate, as in …   Wiktionary

  • Bicyclic antidepressant — Bicyclic antidepressants are a class of antidepressant drugs. They are named after the drugs molecular structure, which contains two rings of atoms (compare tetracyclic and tricyclic antidepressants). The term bicyclic antidepressant is of lesser …   Wikipedia

  • Bicyclic molecule — [ bicyclic molecule contains two fused aliphatic rings. Fusion can occur in three ways: #At two mutually bonded atoms or #Across a sequence of atoms (bridgehead) an example is norbornane, bicyclo [2.2.1] heptane or #At a single atom (spirocyclic …   Wikipedia

  • Bicyclic semigroup — In mathematics, the bicyclic semigroup is an algebraic object important for the structure theory of semigroups. Although it is in fact a monoid, it is usually referred to as simply a semigroup. The first published description of this object was… …   Wikipedia

  • bicyclic compound — biciklinis junginys statusas T sritis chemija apibrėžtis Junginys, turintis du žiedus su dviem arba daugiau bendrų atomų. atitikmenys: angl. bicyclic compound rus. бициклическое соединение; двухъядерное соединение …   Chemijos terminų aiškinamasis žodynas

  • bicyclic — adjective Etymology: International Scientific Vocabulary Date: circa 1909 1. consisting of or arranged in two cycles 2. containing two usually fused rings in the structure of the molecule …   New Collegiate Dictionary

  • bicyclic — /buy suy klik, sik lik/, adj. 1. consisting of or having two cycles or circles. 2. Bot. in two whorls, as the stamens of a flower. 3. pertaining to or resembling a bicycle. Also, bicyclical. [1875 80; BI 1 + CYCLIC] * * * …   Universalium

  • bicyclic — bi·cy·clic ( )bī sī klik, sik lik adj containing two usu. fused rings in the structure of the molecule …   Medical dictionary

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”