yolkとは 意味・定義・例文
Noun 名詞
1.
(a) the yellow part in the center of an egg; egg yolk
(a) 黄身
(b) Biology, the protein, lecithin, and cholesterol stored in an animal ovum, serving as nourishment for the developing embryo
(b) 卵黄
Cholesterol is found in the egg yolk.
2. a natural fatty substance produced by the skin of a sheep, which is refined for making lanolin; a wool fat
ヨーク, 羊毛脂
3. ｟the -｠ Old use, the essential part of something; inner core
本質, 中核