| 单词 | heterolecithal | 
| 释义 | heterolecithal in British English (ˌhɛtərəʊˈlɛsɪθəl) adjective (of the eggs of birds) having an unequally distributed yolk   Compare isolecithalWord origin C19: hetero- + Greek lekithos egg yolkheterolecithal in American English (ˌhɛtəroʊˈlɛsɪθəl)  noun   having the yolk unevenly distributed, as in bird eggs  Word origin  hetero- +  lecithin +  -al | 
	
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