percussion figure
Mineralogy
noun
A characteristic figure produced by a blow with a pointed instrument on a thin plate of certain crystals, especially mica.
Origin
Late 19th century; earliest use found in The Century Dictionary. Apparently after German Schlagfigur.
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- arcticise
- arcticised
- arcticize
- arcticized
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- Arctic Oscillation
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- Arctic Sea
- Arctic sea smoke
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- Arctogaean