an acyclic flower; acyclic compounds.
Chemistry. of or relating to a compound that does not contain a closed chain or ring of atoms (contrasted with ).
In acyclic flowers there is often a gradual transition from petals to stamens, as in the white water-lily (fig. 31).
Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 Various
(chem) not cyclic; having an open chain structure
(botany) having flower parts arranged in a spiral rather than a whorl
Not cyclic. Used especially of flowers whose parts are arranged in spirals rather than in whorls, as in magnolias.
Having an open-chain molecular structure rather than a ring-shaped structure.
- Acyclic compound
acyclic compound acyclic compound a·cy·clic compound (ā-sī’klĭk, ā-sĭk’lĭk) n. An organic compound that has an open chain structure and does not form a ring. Also called open chain compound.
- Acyclic terpene
See under (def 2). (originally) any of a class of monocyclic hydrocarbons of the formula C 10 H 16 , obtained from plants. this class or any of its oxygenated derivatives, any hydrocarbon from the same source having the formula C 5 H 8 (hemiterpene) the formula C 10 H 16 with an aliphatic structure […]
acycloguanosine acycloguanosine a·cy·clo·gua·no·sine (ā-sī’klō-gwä’nə-sēn’, -sĭn) n. See acyclovir.
a crystalline compound, C 18 H 11 N 5 O 3 , used as an antiviral drug in the treatment of herpes infections. acyclovir a·cy·clo·vir (ā-sī’klō-vǐr, -klə-) n. A synthetic purine nucleoside analog that is derived from guanine and is used topically in the treatment of herpes simplex infections, especially those of the genitals. Also […]
acyf Administration for Children, Youth, and Families