dust-counter
dust counter
noun
any instrument used to measure the size and number of dust particles per unit volume in the atmosphere.
Also called nucleus counter.
Origin:
1890–95
1890–95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Dust-counter
is always a great word to know.
So is lollapalooza. Does it mean:
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
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