You know what it looks like… but what is it called?
TAKE THE QUIZ“ometer”
The following 3 entries include the term ometer.
Fade-Ometer
trademark—used for an apparatus containing a carbon-arc lamp that emits radiation approximating sunlight for use in accelerated tests of lightfastness under controlled conditions
Launder-Ometer
trademark—used for a machine with rotating containers for testing the colorfastness of dyed cloth to washing solutions or the efficiency of washing solutions in cleansing soiled cloth
Weather-Ometer
trademark—used for a machine for testing the ability of paints and coatings to withstand weather
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Merriam-Webster unabridged
