plural of old-age pensioner

plural of aged R-value

(history) The transition from the Bronze Age to the Iron Age in the eastern Mediterranean and southwestern Asia, characterised by the collapse of the Hittite, Egyptian, Mycenean and Canaanite civilisations.

(Australia) a health indicator age in comparison to a person's true age, based on a survey of diet, exercise, and other factors.

(education) An adult learner.

plural of mature-age student

(idiomatic, humorous) A very old age

The age at which a person is deemed fit for criminal liability for their actions.

plural of middle-age spread

Belly fat that develops in middle age.