# sematology

> English word · Noun

## Definitions
1. The science of signs, particularly of verbal signs, in the operation of thinking and reasoning; the science of language as expressed by signs.

## Etymology
From Ancient Greek σῆμα (sêma, “mark, sign”) + Ancient Greek -λογία (-logía, “-logy, branch of study”).

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