You searched for: “depreciations”
depreciation (s) (noun), depreciations (pl)
1. To reduce or to lower the value of: Runaway inflation has resulted in the depreciations of the currencies of many countries.
2. To belittle, to disparage: Henry always seems to have a depreciation for all of his mother's efforts to help him complete his homework for school.
3. Etymology: from Latin depretiare, "to reduce the price of"; "to make less valuable".
A decrease or loss in value.
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This entry is located in the following units: de- (page 35) preti-, prais-, preci-, pric- (page 2)
Word Entries containing the term: “depreciations”
lumen depreciation (s) (noun), lumen depreciations (pl)
The gradual loss of efficacy of a lamp over time, typically caused by the loss of chemical additives in the lamp and wall darkening in the arc tube: Lumen depreciation can be indicated by a curve depicting the pattern of decreasing lucid output.

The florescent illumination in Mildred's kitchen started to flicker, apparently because of the lumen depreciation in the tubes.

 
This entry is located in the following units: -ation, -ization (-iz[e] + -ation); -isation (British spelling variation) (page 60) lumen-, lumin-, lum- (page 3) preti-, prais-, preci-, pric- (page 2)