(initialism, Canada) Initialism of Canadian National: a national trans-continental railway of Canada

Initialism of catalogue number. / (anatomy) Initialism of cranial nerve.

plural of CN

(neuroanatomy) Initialism of central nervous system.

A communications and observation tower in Toronto, Ontario, Canada.

chloroacetophenone used as tear gas for riot control, although it is normally replaced nowadays with CS gas.

plural of CNA

A modified form of an N95 mask, consisting of a convex shape design and a collapsible resistant shell.

plural of CN95

(Britain) Initialism of Campaign for Nuclear Disarmament.