1
- the tough central part of various fruits, containing the seeds果核：
an apple core
苹果核。
2
- the central or most important part of something, in particular核心部分; 最重要部分, 尤指：
2.1
- often as modifier the part of something that is central to its existence or character根本; 核心：
managers can concentrate on their core activities
管理人员可集中精力于最重要的活动
the plan has the interests of children as its core.
计划以孩子们的兴趣为核心。
2.2
- an important or unchanging group of people forming the central part of a larger body（大的团体中的）核心人物。
2.3
- the dense central region of a planet, especially the nickel-iron inner part of the earth（天体的, 尤指地球的）核, 中心。
2.4
- the central part of a nuclear reactor, which contains the fissile material（含裂变物质的核反应堆的）堆芯。
2.5
- a tiny ring of magnetic material used in a computer memory to store one bit of data, now superseded by semiconductor memories磁心存储器; 内存储器。
2.6
- the inner strand of an electric cable or rope（电缆或电线的）芯线。
2.7
- a piece of soft iron forming the centre of an electromagnet or an induction coil（形成电磁铁或感应线圈的）铁芯。
2.8
- an internal mould filling a space to be left hollow in a casting（铸造用的）型心; 砂芯。
2.9
- a cylindrical sample of rock, ice, or other material obtained by boring with a hollow drill（岩石、冰及其他材料的）钻芯样品。
2.10
- Archaeology a piece of flint from which flakes or blades have been removed【考古】石核。
with obj.
- remove the tough central part and seeds from (a fruit)挖去…的果心：
peel and core the pears
将梨削皮去核。
短语
to the core
1
- to the depths of one's being直至核心的; 彻底的：
she was shaken to the core by his words.
他的话让她极为震动。
1.1
- used to indicate that someone possesses a characteristic to a very high degree地道的; 十足的; 彻底的：
he is a politician to the core.
他是个十足的政客。
派生词
corer
noun词源
Middle English: of unknown origin.