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

Derived forms: fetal ages

Type of: age

• diary
• diary keeper
• Dias
• Diaspididae
• diaspora
• diaspore
• diastase
• diastasis
• diastema
• diaster
• diastole
• diastolic
• diastolic pressure
• diastrophism
• diatessaron
• diathermy
• diathermy machine
• diathesis
• diatom
• diatomaceous earth
• diatomic
• diatomite
• Diatomophyceae
• diatonic
• diatonic scale