Word Study
cis-
CIDE DICTIONARY
cis-,
A Latin preposition, sometimes used as a prefix in English words, and signifying on this side. [1913 Webster]
OXFORD DICTIONARY
cis-, prefix (opp. TRANS- or ULTRA-).
1 on this side of; on the side nearer to the speaker or writer (cisatlantic).
2 Rom. Antiq. on the Roman side of (cisalpine).
3 (of time) closer to the present (cis-Elizabethan).
4 Chem. (of an isomer) having two atoms or groups on the same side of a given plane in the molecule.
1 on this side of; on the side nearer to the speaker or writer (cisatlantic).
2 Rom. Antiq. on the Roman side of (cisalpine).
3 (of time) closer to the present (cis-Elizabethan).
4 Chem. (of an isomer) having two atoms or groups on the same side of a given plane in the molecule.
Etymology
L cis on this side of
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