core
[kɔː]
n
the central part of certain fleshy fruits, such as the apple or pear, consisting of the seeds and supporting parts
the central, innermost, or most essential part of something.(as modifier)
a piece of magnetic material, such as soft iron, placed inside the windings of an electromagnet or transformer to intensify and direct the magnetic field
the central part of the earth, beneath the mantle, consisting mainly of iron and nickel, which has an inner solid part surrounded by an outer liquid part
a cylindrical sample of rock, soil, etc, obtained by the use of a hollow drill
shaped body of material (in metal casting usually of sand) supported inside a mould to form a cavity of predetermined shape in the finished casting
the region of a nuclear reactor in which the reaction takes place
a layer of wood serving as a backing for a veneer
a ferrite ring formerly used in a computer memory to store one bit of information.short for core store.(as modifier)
a lump of stone or flint from which flakes or blades have been removed
the nucleus together with all complete electron shells of an atom
vb
to remove the core from (fruit)
柯林斯
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