Nehama (med_cat) wrote in 1word1day,

Friday word: Psychrometer

psy·chrom·e·ter noun \sī-ˈkrä-mə-tər\

Another one of those words that sound like it would mean something else; so no, it doesn't measure how psychotic someone is. :P


: a hygrometer consisting essentially of two similar thermometers with the bulb of one being kept wet so that the cooling that results from evaporation makes it register a lower temperature than the dry one and with the difference between the readings constituting a measure of the dryness of the atmosphere.

...basically, a way to determine the degree of humidity in the air.

— psy·chro·met·ric adjective
— psy·chrom·e·try noun


From psychro-, derived from Ancient Greek psychros, cold, frozen+ meter, from Ancient Greek metron, to measure.

International Scientific Vocabulary

First Known Use: circa 1741

Here's an illustration:
Tags: greek, noun, p, scientific, wordsmith: med_cat

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