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

• Aleksandr Pavlovich
• Aleksandr Porfirevich Borodin
• Aleksandr Prokhorov
• Aleksandr Scriabin
• Aleksandr Sergeyevich Pushkin
• Aleksandr Solzhenitsyn
• Aleksey Maksimovich Peshkov
• Aleksey Maximovich Peshkov
• alembic
• alendronate
• Alep
• aleph
• aleph-nought
• aleph-null
• aleph-zero
• Alepisaurus
• Aleppo
• Aleppo boil
• Aleppo grass
• alert
• alerting
• alertly
• alertness
• Alessandro di Mariano dei Filipepi
• Alessandro Farnese