from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A small, wingless insect (Thermobia domestica) related to the silverfish and inhabiting warm areas of buildings, as around furnaces or boilers.

from the GNU version of the Collaborative International Dictionary of English

  • n. an insect (Thermobia domestica) which is a type of bristletail that lives in warm moist areas e.g. around furnaces.

from The Century Dictionary and Cyclopedia

  • n. A thysanurous insect, Thermobia furnorum, of the family Lepismatidæ; found in bake-houses, and supposed to be fond of heat.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. lives in warm moist areas e.g. around furnaces


Sorry, no etymologies found.


  • The firebrat is quick moving and lives in dark places above 90 degrees F? such as around ovens, furnaces, boiler rooms and fireplaces or insulation around hot water and heat pipes.

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