1. The age of an embryo counting from the time of fertilization
   - fetal age, fertilization age, gestational age, fertilisation age [Brit]

Derived forms: foetal ages

Type of: age

• Odonata
• odonate
• odontalgia
• Odontaspididae
• Odontaspis
• Odontaspis taurus
• odontiasis
• odontoblast
• Odontoceti
• odontoglossum
• odontoid
• odontoid process
• odontology
• Odontophorus
• odor
• odorant
• odoriferous
• odorise
• odorize
• odorless
• odorous
• odour
• odourise
• odourless
• Odovacar