Abbreviation of Canadian Society for Chemical Engineering.

Initialism of Conference on Security and Cooperation in Europe. / Initialism of Canadian Society for Civil Engineering.

Initialism of criminal sexual conduct. / (UK) Initialism of close supervision centre, a type of prison / (banking) Initialism of card security code. / (oncology) Initialism of cancer stem cell.

Initialism of Computer Sciences Corporation.

(UK, education, historical, countable) Initialism of Certificate of Secondary Education, a former examination in UK schools; a pass achieved in this examination.

(Canada) Communications Security Establishment / Initialism of computer science and engineering. / (linguistics) Initialism of colloquial Singapore English.

Initialism of Correctional Services Department (Hong Kong)

Initialism of conventional suburban development. / (telecommunications) Initialism of circuit switched data.

(computing) Initialism of carrier sense, multiple access.

A contention protocol for computers to send messages over the segment of an Ethernet network.