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

• Papilionoideae
• papilla
• papillary
• papillary muscle
• papillary tumor
• papillary tumour
• papillate
• papilledema
• papilliform
• papilloma
• papillon
• papillose
• Papio
• Papio ursinus
• papism
• papist
• papistic
• papistical
• papistry
• papoose
• papooseroot
• papovavirus
• pappa
• pappataci fever
• pappoose