一卵性 いちらんせい Meanings の-adjective, Noun identical (of twins); monozygotic; unioval; uniovular See also: 二卵性 (にらんせい). Kanji 一 one. Read as イチ. 卵 egg. Read as ラン. 性 nature. Read as セイ. Words containing 一卵性 一卵性双生児 (いちらんせいそうせいじ) identical twins Word lists Medicine Jinuma: Japanese Dictionary · Word lists