Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun stone_age

1 sense of stone age

Sense 1
Stone Age -- ((archeology) the earliest known period of human culture, characterized by the use of stone implements)
       INSTANCE OF=> time period, period of time, period -- (an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period")