an instrument for measuring the amount of dust in the air.

1915–20; < Greek kóni(s) dust + -meter

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World English Dictionary
konimeter (kəʊˈnɪmɪtə)
a device for measuring airborne dust concentration in which samples are obtained by sucking the air through a hole and allowing it to pass over a glass plate coated with grease on which the particles collect
[C20: from Greek konia dust + -meter]

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Example sentences
Finally, both the midget impinger and the konimeter were often used as area rather than personal samplers.
Membrane filters are used instead of a konimeter be- cause they permit firmer deposition of dusts.
There is a limited relationship between the values measured by filtering instruments and those obtained by konimeter.
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