A transliteration of the Russian surname Ма́рков (Márkov), Markov

Demon core, a spherical subcritical mass of plutonium manufactured during World War II by the United States as a fissile core for an early atomic bomb

self-defence

(poetic) Synonym of ゆうやけ (yuuyake), chiefly used in song lyrics for rhythm; こやけ (koyake) has no particular meaning

Classical Chinese text studies

Ancient Greece

enclosing in ice

killing of a fish by placing it in ice, favored for preserving freshness

the five lakes around Mount Fuji: 本(もと)栖(す)湖(こ) (Motosu-ko), 精(しょう)進(じ)湖(こ) (Shōji-ko), 西(さい)湖(こ) (Sai-ko), 河(かわ)口(ぐち)湖(こ) (Kawaguchi-ko) and 山(やま)中(なか)湖(こ) (Yamanaka-ko).

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