6 entries under expression topic. ×

4
relative dating(technique, relative, dating)
2
geologic age(noun, quantity, number, data)
2
length of time(noun, period, duration, epoch)
1
geological dating(geology, dating, geological)
1
period of time(time, period, age)
1
relative dating technique(age, date, dating)
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APASmart Define. (-0001). relative age thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/relative_age/thesaurus/broader
ChicagoSmart Define. -0001. "relative age thesaurus" https://smartdefine.org/relative_age/thesaurus/broader (accessed September 24, 2026).
HarvardSmart Define -0001, relative age thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/relative_age/thesaurus/broader>.
MLASmart Define. "relative age thesaurus" 30 November -0001. Web. 24 September 2026. <https://smartdefine.org/relative_age/thesaurus/broader>