Cm

symbol

the chemical element curium.

abbreviation

centimetre(s).

1. command module.
2. common metre.
3. Member of the Order of Canada.

abbreviation, symbol

(in the UK) Command Paper (sixth series, 1986–).

noun, symbol

a metric unit of length, equal to one hundredth of a metre.

noun

the detachable control compartment of a manned spacecraft.

noun

a metrical pattern for hymns in which the stanzas have four lines containing eight and six syllables alternately.

noun, symbol

the chemical element of atomic number 96, a radioactive metal of the actinide series. Curium does not occur naturally and was first made by bombarding plutonium with helium ions.

1940s: modern Latin, from the name of Marie and Pierre Curie.