puberty

1. A developmental phase brought about by the action of hormones as part of the maturing process. For humans, there are three in total. (countable, uncountable)
2. The process of sexual development that produces secondary sex characteristics and makes a person capable of reproducing sexually. (countable, uncountable)
3. The age at which a person is first capable of sexual reproduction. (countable, uncountable)
4. The period when a plant begins to flower. (countable, uncountable)

Plural puberties