PYRO- definition: a combining form meaning “fire,” “heat,” “high temperature,” used in the formation of compound words. See examples of pyro- used in a sentence.

1. a combining form meaning “fire,” “heat,” “high temperature,” used in the formation of compound words

The meaning of PYR- is fire : heat. How to use pyr- in a sentence.

Definition of pyro noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Factsheet What does the noun pyro mean? There is one meaning in OED's entry for the noun pyro. See ‘Meaning & use’ for definition, usage, and quotation evidence.

Sep 29, 2025 · Shortening of a word starting with pyro-, ultimately from Ancient Greek πῦρ (pûr, “fire”).

pyro-, prefix. pyro- comes from Greek, where it has the meaning "fire, heat, high temperature'': pyromania, pyrotechnics.