Cis or cis- may refer to: Look up cis or cis- in Wiktionary, the free dictionary. Places Cis, Trentino, in Italy In Poland: Cis, Świętokrzyskie Voivodeship, south-central Cis, Warmian-Masurian Voivodeship, north Math, science and biology cis (mathematics) (cis(θ)), a trigonometric mathematical function related to Euler's formula Cis (beetle), genus Cis–trans isomerism, in chemistry cis-regulatory element, regions of non-coding DNA which regulate the transcription of nearby genes Other uses Cisgender, a descriptor for somebody whose gender identity matches their assigned gender at birth C♯ (musical note), known as cis in some European notations See also CIS (disambiguation) All pages with titles beginning with Cis Ciss (disambiguation) Csi (disambiguation) This disambiguation page lists articles associated with the title Cis.If an internal link led you here, you may wish to change the link to point directly to the intended article. Wikiwand - on Seamless Wikipedia browsing. On steroids.