1205510 jmdict A [id=2173423]
核[ichi1,news1,nf02]
かく[ichi1,news1,nf02]
[1][n]
  stone (of a fruit); pit; pip
[2][n]
  core (of an organization, team, etc.); nucleus; heart
[3][n,adj-no]
  nuclear weapons
  [see=1205700・核兵器[1]]
[4][n][fld=physics]
  nucleus (of an atom)
  [see=1261600・原子核[1]]
[5][n][fld=biol]
  nucleus (of a cell)
  [see=1295750・細胞核[1]]
[6][n][fld=met]
  condensation nucleus
  [see=2838311・凝結核[1]]
[7][n][fld=astron]
  (planetary) core
[8][n][fld=chem]
  ring (in a cyclic compound)
[9][n][fld=math]
  kernel; core
[10][n]
  nucleus (of a cultured pearl)