theoreticiann.
/ˌθɪərəˈtɪʃn/, U.S. /ˌθiərəˈtɪʃ(ə)n/, /ˌθɪrəˈtɪʃ(ə)n/ A person who studies or is concerned with the theoretical side of a subject; a theorist.
ΘΚΠ
the mind > mental capacity > knowledge > branch of knowledge > [noun] > theory as opposed to practice > expert in
theorist1592
theoretician1782
the mind > mental capacity > belief > speculation > confirmation of hypothesis, theory > [noun] > holder of theories
contemplator1563
theorist1588
theorician1635
putationer1658
speculatist1693
theory man1727
theory-monger1747
theoretician1782
theorizer1792
theory-tailor1875
1782 Parker's Gen. Advertiser 14 Sept. Your theoreticians their wisdom may boast, But rare Dr. Guttle's our worthier toast.
1819 Ann. Fine Arts 3 431 Dürer gained no less fame as a theoretician than as a practical artist.
1875 Nation (New York) 4 Nov. 296/2 Prince Bismarck is not a theoretician. He has read much..; but he does not attach importance to abstract principles in affairs of state.
1931 Times Lit. Suppl. 26 Mar. 255/2 The most articulate theoretician among the Russian film producers.
1970 Physics Bull. Apr. 150/2 These results..provide an incentive for theoreticians to tackle the much more complex problem posed by real finite nuclei.
2011 F. Betz Managing Sci. ii. 22 Nicolaus Copernicus..was what we would now call a theoretician, but he thought of himself as a ‘natural philosopher’.
This entry has been updated (OED Third Edition, June 2015; most recently modified version published online March 2022).
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n.1782