core

Multiple Entries:
  core    CORE    -core  

Concise Oxford English Dictionary © 2008 Oxford University Press:
core/kɔː(r)/

▶noun

• 1 the tough central part of various fruits, containing the seeds.

• 2 the central or most important part.

  ■ the dense metallic or rocky central region of a planet.

  ■ the central part of a nuclear reactor, which contains the fissile material.

  ■ a piece of soft iron forming the centre of an electromagnet or an induction coil.

• 3 an internal mould filling a space to be left hollow in a casting.

• 4 Archaeology a piece of flint from which flakes or blades have been removed.

• 5 a cylindrical sample of rock, ice, or other material obtained by boring with a hollow drill.

▶verb remove the core from (a fruit).

– phrases
to the core to the depths of one's being.

– derivatives
corer noun.

– origin ME: of unknown origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
CORE

▶abbreviation (in the US) Congress of Racial Equality.

Concise Oxford English Dictionary © 2008 Oxford University Press:
-core

▶combining form denoting types of rock or dance music that have an aggressive presentation.

– origin from core, on the pattern of hard core.