One of the Classical Chinese poetry forms

Initialism of Civil Infraction. / Initialism of Cochlear Implant. / Initialism of Competitive Intelligence. / Initialism of Contextual Inquiry. / Initialism of Cooperating Individual.

(biology) Abbreviated form of cylindrical inclusion.

(pharmacology) a shortened allomorph of the monoclonal antibody affix -cir-, used before the affixes -xi- and -zu- for ease of pronunciation

(biology) Having two mutations on two genes on the same chromosome of a homologous pair. / (cytology) Of the side of the Golgi apparatus nearer to the endoplasmic reticulum.

Cisgender (or sometimes cissexual): not trans (transgender or transsexual) or non-binary.

(geography) On this side of. / (chemistry) Forming names of chemical compounds in which two atoms or groups are situated on the same side of some plane of symmetry passing through the compound.

Initialism of Commonwealth of Independent States. / (UK, business) Initialism of Construction Industry Scheme.

Initialism of contact image sensor.

plural of CI