卵殻(らんかく) らんかく noun eggshell nature 1. the hard outer shell of an egg The hard, brittle outer covering of a bird's egg, mostly made of calcium carbonate. A somewhat technical or written term. 卵殻(らんかく)は炭酸(たんさん)カルシウムでできている。🔊 Eggshells are made of calcium carbonate. 卵殻(らんかく)を細(こま)かく砕(くだ)いた。🔊 I crushed the eggshell into small pieces. 卵殻(らんかく)を肥料(ひりょう)として畑(はたけ)にまく人(ひと)もいる。🔊 Some people scatter eggshells on fields as fertilizer. A technical or written term for an eggshell. In everyday conversation, 卵(たまご)の殻(から) is used instead.Common collocations卵殻(らんかく)を砕(くだ)く: to crush an eggshell卵殻(らんかく)膜(まく): eggshell membraneSimilar words殻(から): shell — the general word for a shell of an egg, nut, or shellfish卵(たまご)の殻(から): eggshell — the everyday phrasing of the same thing general Added 2026.5.16 13:08 · Revised 2026.9.2 13:02 27500/27690_rankaku