theorist

[ thee-er-ist, theer- ]
/ ˈθi ər ɪst, ˈθɪər- /

noun

a person who theorizes.
a person who deals mainly with the theory of a subject: a theorist in medical research.

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Origin of theorist

First recorded in 1585–95; theor(y) + -ist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for theorist

British Dictionary definitions for theorist

theorist
/ (ˈθɪəˌrɪst) /

noun

the originator of a theory; a person who is concerned with theory; a theoretician
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012