# theoretician

> English word · Noun · frequency rank #92,147

## Definitions
1. Someone who is expert in the theory of a particular science or art.
2. A theorist.

## Etymology
From theoretic + -ician.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/theoretician