Word.ws English Dictionary

pyrophorus

pyrophorus noun: a substance capable of catching fire spontaneously on exposure to the air, especially in a finely divided state.

Noun

pyrophorus (uncountable)

  1. a substance capable of catching fire spontaneously on exposure to the air, especially in a finely divided state

Origin of pyrophorus

Ancient Greek πῦρ (pûr, “fire”) + φέρω (phérō, “to bear”). Analyzable as pyro- + -phorus

Questions about pyrophorus

What does pyrophorus mean?
Pyrophorus means a substance capable of catching fire spontaneously on exposure to the air, especially in a finely divided state.
What part of speech is pyrophorus?
Pyrophorus is a noun.

Words near pyrophorus in the dictionary

  1. pyrophoric alloy
  2. pyrophoric alloys
  3. pyrophoric iron
  4. pyrophoricity
  5. pyrophorous
  6. pyrophorus
  7. pyrophosphatase
  8. pyrophosphatases
  9. pyrophosphate
  10. pyrophosphates
  11. pyrophosphohydrolase

Source and license

Adapted from Wiktionary: pyrophorus (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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