Meaning of CORE in English

CORE

n. & v.

--n.

1. the horny central part of various fruits, containing the seeds.

2 a the central or most important part of anything (also attrib. : core curriculum). b the central part, of different character from the surroundings.

3 the central region of the earth.

4 the central part of a nuclear reactor, containing the fissile material.

5 a magnetic structural unit in a computer, storing one bit of data (see BIT(4)).

6 the inner strand of an electric cable, rope, etc.

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

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

9 the central part cut out (esp. of rock etc. in boring).

10 Archaeol. a piece of flint from which flakes or blades have been removed.

--v.tr. remove the core from.

Phrases and idioms:

core memory Computing the memory of a computer consisting of many cores. core time (in a flexitime system) the central part of the working day, when all employees must be present.

Derivatives:

corer n.

Etymology: ME: orig. unkn.

Oxford English vocab.      Оксфордский английский словарь.