- Commonwealth of Independent States
WordReference Random House Unabridged Dictionary of American English © 2026
cis-,
- a prefix occurring in loanwords from Latin meaning "on the near side of '' (cisalpine);
on this model, used in the formation of compound words (cisatlantic). - Chemistrya specialization of this denoting a geometric isomer having a pair of identical atoms or groups attached on the same side of two atoms linked by a double bond. Cf. trans- (def. 2).
- Latin; akin to here
- Place NamesCommonwealth of Independent States.
Collins Concise English Dictionary © HarperCollins Publishers::
CIS abbreviation for
Collins Concise English Dictionary © HarperCollins Publishers::
cis- prefix Etymology: from Latin
'cis' also found in these entries (note: many are not synonyms or translations):
cis-
- cisplatin
- Commonwealth of Independent States
- fasces
- he
- maleic acid
- oleic acid
- sorbic acid
- trans-
- trans-fatty acid
- Ancient Mystic Order Rosae Crucis
- Beta Crucis
- blackfin
- bonaci
- cisaconitic acid
- cisalpine
- cisatlantic
- Ciscaucasia
- cislunar
- cismontane
- cist
- cistern barometer
- cistron
- Francis Ferdinand
- Francis of Assisi
- Francis of Paula
- Francis of Sales
- Francis Xavier
- précis
- proboscis monkey