also: たまごがら
Refers to the hard outer covering of an egg, especially in biological or culinary contexts.
Eggshells are rich in calcium.
The chick broke through the eggshell and came out.
Standard kanji form, typically read as らんかく.
Alternate reading, less common; may be encountered in some contexts.
Compound of 卵 (egg) and 殻 (shell). The reading らんかく uses the on'yomi of both characters, while たまごがら mixes kun'yomi and on'yomi.