fertilized egg

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
• Syn:
embryo, conceptus
• Derivationally related forms:
embryonal (for: embryo), embryotic (for: embryo), embryonic (for: embryo)
• Hypernyms:
animal, animate being, beast, brute, creature, fauna
• Hyponyms:
blastula, blastosphere, gastrula, morula
• Part Meronyms:
umbilical cord, umbilical