noun
germ; embryo bud
Botanical term for the embryo of a seed, especially the nutrient-rich germ of cereal grains like wheat or rice.
玄米には胚芽が残っている。
Brown rice still has the germ.
小麦の胚芽は栄養が豊富だ。
Wheat germ is rich in nutrients.
Compound of 胚 (embryo) and 芽 (bud). The exact historical derivation is uncertain, but the spelling is conventionally associated with the botanical meaning.