- cis isomerism
- 顺式异构
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
cis isomerism
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Cis–trans isomerism — Cis but 2 ene Trans but 2 ene In organic che … Wikipedia
Cis-trans isomerism — In chemistry, cis trans isomerism or geometric isomerism or configuration isomerism is a form of stereoisomerism describing the orientation of functional groups within a molecule. In general, such isomers contain double bonds, which cannot rotate … Wikipedia
isomerism — /uy som euh riz euhm/, n. 1. Chem. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism), as CH3OCH3 and… … Universalium
Cis — For acronyms, see CIS (disambiguation). Cis may have the following meanings: Cis as a prefix of Latin origin, meaning on the same side [as] or on this side [of] , with several derived usages: In chemistry, cis refers to cis trans isomerism In… … Wikipedia
cis-trans isomerism — noun : geometric isomerism in unsaturated compounds or cyclic compounds depending usually on the presence in the molecule of a pair of substituted groups (as unsymmetrically substituted methylene groups) so that the isomers have comparable… … Useful english dictionary
cis-trans isomerism — noun a form of geometric isomerism in which one isomer has the cis and the other has the trans configuration … Wiktionary
cis-trans isomerism — /ˌsɪs trænz aɪˈsɒmərɪzəm/ (say .sis tranz uy somuhrizuhm) noun a form of isomerism occurring in a molecule which is rigid because it contains a double bond or ring system. The cis isomer has specific groups on the same side, and the trans isomer… …
cis — adjective /sɪs/ a) Having two mutations on two genes on the same chromosome of a homologous pair. b) (properly cis ) Describing a double bond in which the greater radical on both ends is on the same side of the bond. See Also: cis , cisalpine … Wiktionary
cis- — 1. a prefix denoting relative nearness: cisalpine; cismontane. 2. Chemistry a prefix denoting the nearness of identical atoms or groups attached on the same side of two atoms linked by a double bond. See cis trans isomerism. {Latin cis this side… …
cis-trans — ˈsi|stran(t)s, nz adjective Etymology: cis + trans : relating to, exhibiting, or being a particular type of stereoisomerism see cis trans isomerism … Useful english dictionary
cis- — 1. Prefix (in italics) meaning on this side, on the near side; opposite of trans . 2. In genetics, a prefix denoting the location of two or more genes on the same chromosome of a homologous pair, in coupling. 3. In organic chemistry (in italics) … Medical dictionary
