Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - A kind of instrument for measuring heat radiation.

Usage examples (32)
  • A thermopile is a unit that is mounted so that it is in the pilot light flame.
  • The thermopile is made of two dissimilar metals.
  • So far as I know, this is the first application of the thermopile to variables.
  • Dr.G., F.R.S., has invented an improved thermopile for measuring small electromotive forces. for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.