theoretician
noun
the·o·re·ti·cian ˌthē-ə-rə-ˈti-shən 
-re-;
ˌthir-ə-
: theorist
Example Sentences
Recent Examples on the Web They were bolstered in February 1997 by George Kennan, the legendary ambassador to the Soviet Union and Cold War theoretician. 
Jordan Michael Smith, The New Republic, 3 Mar. 2022 One political thinker who would have been thoroughly unsurprised about these developments is Hannah Arendt, the great analyst and theoretician of totalitarianism. Damon Linker, The Week, 30 June 2021 Helmut was not a theoretician like Stanley Tigerman. Chris Jones, chicagotribune.com, 9 May 2021 Professor Hopkins, a formidable theoretician, provided the ideas; Dr. Kapany, more technically minded, figured out the practical side. New York Times, 7 Jan. 2021 And the wee Mazda, whose small, light rotary engine sits mostly behind the front wheels, delivers exactly the 50/50 weight distribution that's lauded for handling balance by vehicledynamics theoreticians. Larry Griffin, Car and Driver, 12 May 2020 More power to the brave theoreticians who are willing to attempt it! Quanta Magazine, 17 Jan. 2020 At a meeting a few years ago in Los Alamos, Johnson explained his dilemma to a group of theoreticians. Quanta Magazine, 19 Sep. 2019 These observations became grist for the theoreticians — wonky types who like nothing better than to solve nature’s riddles. Seth Shostak, NBC News, 3 Sep. 2019 See More
Jordan Michael Smith, The New Republic, 3 Mar. 2022 One political thinker who would have been thoroughly unsurprised about these developments is Hannah Arendt, the great analyst and theoretician of totalitarianism. Damon Linker, The Week, 30 June 2021 Helmut was not a theoretician like Stanley Tigerman. Chris Jones, chicagotribune.com, 9 May 2021 Professor Hopkins, a formidable theoretician, provided the ideas; Dr. Kapany, more technically minded, figured out the practical side. New York Times, 7 Jan. 2021 And the wee Mazda, whose small, light rotary engine sits mostly behind the front wheels, delivers exactly the 50/50 weight distribution that's lauded for handling balance by vehicledynamics theoreticians. Larry Griffin, Car and Driver, 12 May 2020 More power to the brave theoreticians who are willing to attempt it! Quanta Magazine, 17 Jan. 2020 At a meeting a few years ago in Los Alamos, Johnson explained his dilemma to a group of theoreticians. Quanta Magazine, 19 Sep. 2019 These observations became grist for the theoreticians — wonky types who like nothing better than to solve nature’s riddles. Seth Shostak, NBC News, 3 Sep. 2019 See More Word History
First Known Use
1886, in the meaning defined above