a person who studies geological phenomena involving the action of ice, esp. of glaciers
Also: glaciologist. Also called: glacial geologist
Word origin
[1850–55; glacial + -ist]This word is first recorded in the period 1850–55. Other words that entered Englishat around the same time include: clear-cut, ethos, ethylene, overprint, runoff-ist is a suffix of nouns, often corresponding to verbs ending in -ize or nouns ending in -ism, that denote a person who practices or is concerned with something, or holds certainprinciples, doctrines, etc. Other words that use the affix -ist include: Thomist, dramatist, machinist, realist, socialist