Infinitive. to define
Past. defined
Past participle. defined
Gerund. defining
Macrosomia is usually defined as a birthweight above 4000 g, although sometimes a higher cut-off of 4500 g is used.
Done to: Macrosomia
Large-for-gestational-age fetuses are usually defined as those with a birthweight above the 90th percentile.
Done to: Large-for-gestational-age fetuses