卵子冷凍 らんしれいとう Meanings Noun oocyte cryopreservation; egg freezing See also: 卵子凍結 (らんしとうけつ). Kanji 卵 egg. Read as ラン. 子 child 冷 cool. Read as レイ. 凍 freeze. Read as トウ. Jinuma: Japanese Dictionary · Word lists