核 [かく] /(n) (1) stone (of a fruit)/pit/pip/(n) (2) core (of an organization, team, etc.)/nucleus/heart/(n,adj-no) (3) (See 核兵器) nuclear weapons/(n) (4) (See 原子核) {physics} nucleus (of an atom)/(n) (5) (See 細胞核) {biol} nucleus (of a cell)/(n) (6) (See 凝結核) {met} condensation nucleus/(n) (7) {astron} (planetary) core/(n) (8) {chem} ring (in a cyclic compound)/(n) (9) {math} kernel/core/(n) (10) nucleus (of a cultured pearl)/(P)/EntL1205510/