Go to 'thermo-' entry Go to 'dino-' entry Go to 'chondro-' entry Go to 'aero-' entry Go to '-logy' entry Go to 'thaumato-' entry Go to 'nano-' entry Go to '-sophy' entry Go to 'bucco-' entry Go to '-ism' entry Go to '-lysis' entry Go to 'galacto-' entry Go to '-anthropy' entry Go to 'pneumo-' entry Go to '-ploitation' entry Go to '-lithic' entry Go to '-sepalous' entry Go to 'onco-' entry Go to '-parous' entry Go to 'dermato-' entry Go to 'multi-' entry Go to 'dodeca-' entry Go to '-zoon' entry Go to 'vermi-' entry Go to 'crystallo-' entry Go to 'biblio-' entry Go to 'eco-' entry Go to 'juxta-' entry Go to 'facio-' entry
Affixes: the building blocks of English
Affixes: the building blocks of English

cis-

On this side of; on the side nearer the speaker.

[Latin cis, on this side of.]

The adjective cisalpine refers to the southern side of the Alps (from the perspective of Rome, since the Romans invented the term); cisatlantic refers to the speaker's side of the Atlantic; something cismontane is on this side of the mountain; cislunar means this side of the Moon, between the Earth and the Moon.

The form also indicates isomers of chemical compounds in which substituents at opposite ends of a carbon-carbon double bond are on the same side of the bond, as in cisplatin, an anti-tumour drug, or in formal chemical names such as cis—2—butene. Its opposite is trans-.

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