You searched for: “dust
dust (Janus word)
To remove from (~ the table) and to add to (~ the cake).
This entry is located in the following unit: Janus Words (page 1)
Dust: mud with the juice squeezed out.
This entry is located in the following unit: paraprosdokian, paraprosdokia (page 3)
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Units related to: “dust
(Hebrew > Greek > Latin > Middle English: dust)
(Greek: sand [dust])
(Latin: dust)
(Greek: ash-gray; volcanic material such as ash, dust, cinders, etc.)
Word Entries containing the term: “dust
cosmic dust (s) (noun), cosmic dusts (pl)
Minute particles of solid matter distributed throughout the universe: Cosmic dust forms clouds in interstellar space.
konimeter, coniometer, jet dust counter
1. An instrument for measuring the amount of dust in the air.
2. A portable instrument for making a rough and rapid evaluation of airborne dust concentrations.

It consists of a hand-primed pump that draws a known volume of air through a jet on to a plate on which particles ar counted under magnification.

koniscope, coniscope, dust counter, Aitken dust counter
An scientific instrument which indicates the presence of dust particles in the atmosphere.

Named after John Aitken (1839-1919), a Scottish physicist and meteorologist, one of the founders of cloud physics and aerosol science who invented the first koniscope.