[かく, kaku] (n, adj-no) (1) pit (of a fruit); stone; (2) core; (n, n-pref) (3) nucleus; nuclear; (4) (See 核兵器) nuclear weaponry; (P) #2359
[しゅたい, shutai] (n) (1) main constituent; core; nucleus; (2) (See 客体, 主観) subject (philosophical); protagonist; (P) #3659
[ちゅうかく, chuukaku] (n) { comp } kernel; core; nucleus; resident control program; (P) #6920
[きかん, kikan] (n) mainstay; nucleus; key; (P) #9014
[ちゅうけん, chuuken] (n, adj-no) (1) main body (of troops); (2) nucleus; backbone; mainstay; key figure; (3) center field; centre field; center fielder; centre fielder; (n) (4) athlete competing in the middle-number match in a team competition, i.e. second in 3-on-3, third in 5-on-5 (kendo, judo, etc.); (P) #11172
[ちゅうすう, chuusuu] (n, adj-no) centre; center; pivot; mainstay; nucleus; backbone; central figure; pillar; key man; (P) #12047
[げんしかく, genshikaku] (n, adj-no) nucleus (atomic); (P) #18469
[nyukuriasu] (n) { comp } nucleus
[ハイパーかく, haipa-kaku] (n) hypernucleus
[かふんかんかく, kafunkankaku] (n) pollen tube nucleus
[かくぶんれつ, kakubunretsu] (n) (1) nuclear fission; (2) karyokinesis (division of a cell nucleus during mitosis or meiosis); (P)
[かくほうかい, kakuhoukai] (n) disintegration of a cell nucleus
[さいぼうかく, saiboukaku] (n) nucleus (cell, biology)
[ししょうかかく, shishoukakaku] (n) subthalamic nucleus
[じょうちゅうせいぎょプログラム, jouchuuseigyo puroguramu] (n) { comp } nucleus; resident control program
[すいしんぼたい, suishinbotai] (n) nucleus (of a project proposal, of a social movement, etc.)
[そくざかく, sokuzakaku] (n) (See 脳内) nucleus accumbens (part of the forebrain)
[ちゅうしんかく, chuushinkaku] (n) (See コア) core (of planets, stars, galaxies, etc.); nucleus (of comets, galaxies, etc.)
[ねつげんしかく, netsugenshikaku] (n) thermal nucleus
[ふくごうかく, fukugoukaku] (n) compound nucleus (physics)
[ぼかく, bokaku] (n) mother nucleus
[じょうかく, joukaku] (n) daughter nucleus
[へんとうたい, hentoutai] (n, adj-no) amygdala; amygdaloid nucleus; corpus amygdaloideum