geologist

Etymology

It is formed from English geology + -ist.^[2][3][4][5] Geology is from New Latin geologia (“the study of the earth”),^[3][6] compounded of geo- and -λογία (-logía).^[6][3] In Medieval Latin geologia had meant the study of earthly things, especially law.^[3][6] Etymonline notes the competing words geologer (1819) and geologian (1811).^[3]

Earliest recorded meaning

An expert in geology: 1778, in an English translation of Alberto Fortis's Travels into Dalmatia.^[2] Etymonline dates the word to 1792,^[3] and Dictionary.com to 1785–95.^[5]

Semantic evolution

The word appeared at about the time that geology itself took its modern sense of the science of the earth's structure and history, recorded from 1788.^[2] Earlier, from 1731, geology had meant the science of the earth as a whole.^[2]

Timeline

• 1778 – a specialist in geology.^[2]

Meanings

Noun

1. A scientist who specializes in geology, the study of the Earth's rocks, structure and history: The geologist dated the cliff layers from the fossils in them.^[4][2]

Related words

• geology
• geologer
• geo-
• -logy

References

1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
2. ^ a b c d e f Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
3. ^ a b c d e f Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
4. ^ a b Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
5. ^ a b Dictionary.com Unabridged (2016), based on the Random House Unabridged Dictionary, New York: Random House
6. ^ a b c Klein, Ernest. A Comprehensive Etymological Dictionary of the English Language. 2 vols. Amsterdam: Elsevier, 1966–1967.