英文字典中文字典Word104.com

The Collaborative International Dictionary of English v.0.48 (gcide)

Yolk \Yolk\ (y[=o]lk or y[=o]k; 277), n. [OE. yolke, yelke,
[yogh]olke, [yogh]elke, AS. geoloca, geoleca, fr. geolu
yellow. See {Yellow}.] [Written also {yelk}.]
[1913 Webster]
1. The yellow part of an egg; the vitellus.
[1913 Webster]

2. (Zool.) An oily secretion which naturally covers the wool
of sheep.
[1913 Webster]

{Yolk cord} (Zool.), a slender cord or duct which connects
the yolk glands with the egg chambers in certain insects,
as in the aphids.

{Yolk gland} (Zool.), a special organ which secretes the yolk
of the eggs in many turbellarians, and in some other
invertebrates. See Illust. of {Hermaphrodite} in Appendix.


{Yolk sack} (Anat.), the umbilical vesicle. See under
{Unbilical}.
[1913 Webster]


Yelk \Yelk\, n.
Same as {Yolk}.
[1913 Webster]

請選擇你想看的字典辭典：

單詞	字典	翻譯
Yelk	查看　Yelk　在Google字典中的解釋	Google英翻中〔查看〕
Yelk	查看　Yelk　在Yahoo字典中的解釋	Yahoo英翻中〔查看〕