from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a substance capable of taking fire spontaneously on exposure to the air, especially in a finely divided state
from the GNU version of the Collaborative International Dictionary of English
- n. Any one of several substances or mixtures which phosphoresce or ignite spontaneously on exposure to air, as a heated mixture of alum, potash, and charcoal, or a mixture of charcoal and finely divided lead.
from The Century Dictionary and Cyclopedia
- n. A substance which takes fire on exposure to air.
- n. [capitalized] A notable genus of elaterid beetles, comprising nearly a hundred species, confined to tropical and subtropical America, and containing the most brilliant forms of luminous insects.
- n. [capitalized] A genus of arachnidans.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. tropical click beetles
Ancient Greek πῦρ (pyr, "fire") + φέρω (pherō, "to bear"). (Wiktionary)