Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A device that measures the intensity of radiant energy, consisting of a partially evacuated glass bulb containing lightweight vertical vanes, each blackened on one side, suspended radially about a central vertical axis to permit their revolution about the axis as a result of incident radiation.
- noun An instrument that detects electromagnetic radiation.
from The Century Dictionary.
- noun An old instrument for measuring angles; the cross-staff.
- noun An instrument which serves to transform radiant energy into mechanical work.
- noun An instrument for the detection and measurement of small amounts of radiant energy.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Naut.) A forestaff.
- noun (Physics) An instrument designed for measuring the mechanical effect of radiant energy.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A device that measures
radiant energy .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun meter to detect and measure radiant energy (electromagnetic or acoustic)
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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They are part of my fascination with the supernatural, the otherworldly, the dark and sinister, in contrast to the radiometer, which is of the material world, and which relies on the light, rather than dark.
What does your writing area say about you? « Write Anything 2008
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The device, called a radiometer, is based on a classical light-powered, rotating vane most often seen in mall novelty stores.
PhysOrg.com - latest science and technology news stories 2010
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The device, called a radiometer, is based on a classical light-powered, rotating vane most often seen in mall novelty stores.
PhysOrg.com - latest science and technology news stories 2010
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A few years ago, Professor Crookes, of London, having observed that light pith balls delicately suspended in a vacuous tube were under certain conditions repelled by the sun's rays, was led on from step to step until he had constructed the instrument now so well known as the radiometer, in which a delicate wheel is rapidly turned by the rays of the sun, or by the rays of any source of bright light, shining on its blackened vanes.
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The radiometer keeps me grounded in reality, a testament to my fascination with how things work, the practicalities and realities of the physical world.
What does your writing area say about you? « Write Anything 2008
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Senator Obama has shown himself to be the embodiment of a solar radiometer: The more heat and light (scrutiny) he gets, the faster he spins.
Obama Backlash in His Online Backyard - The Caucus Blog - NYTimes.com 2008
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Another radiometer instrument was also able to take measurements during the eclipse.
Satellite Captures Solar Eclipse from Space | Universe Today 2010
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By spending a few extra days in the inner belt the MEGS-P radiometer was able to measure a more complete picture of the radiation belt.
SDO On Station Transmitting First Data as Solar Science Payloads Open Today | Universe Today 2010
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The eclipse was also detected by the Proba-2's LYRA Lyman Alpha Radiometer instrument, the first ultraviolet radiometer in space that employs diamond detectors.
Satellite Captures Solar Eclipse from Space | Universe Today 2010
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Behind them, an angle-poise lamp (with low energy lightbulb to salve my eco-conscience), a Beanie Baby skeleton called Creepers (my NaNoWriMo mascot from last year), small plush Cthulhu toy, a Crookes radiometer and the latest addition to my desk, a large gargoyle candle stick.
What does your writing area say about you? « Write Anything 2008
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