Abbreviation of backward compatibility.

Abbreviation of wheelchair. / Abbreviation of week commencing (followed by a date)

The L-enantiomer of ascorbic acid, a water-soluble nutrient essential for life, synthesized by most animals and plants but not humans, although used in our bodies for many purposes. It is plentiful in citrus fruits and many vegetables, and a deficiency causes scurvy.

Abbreviation of hepatitis C.

Synonym of Caesarean section

Alternative spelling of C-sharp

(management) The group of officers of a business organization who have the word "chief" in their titles. / (management) Senior headquarters executives.

(filmmaking) A standard wooden clothespin with a metal spring, used to hold gels to the barn doors of cinema lights.

An object-oriented programming language named C#.

(phonology) In many languages, a letter "c" which is not pronounced as a velar stop (/k/, like English "k") but as a sibilant (/s/, like English "s") or an affricative (/tʃ/, like English "ch").