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Word of the Day
perfunctory
Definition: (adjective) unenthusiastic, routine, or mechanical.
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al·be·do  audio  (l-bd) KEY 

NOUN:
pl. al·be·dos
  1. The fraction of incident electromagnetic radiation reflected by a surface, especially of a celestial body.
  2. The spongy white tissue on the inside of the rind of citrus fruit.
ETYMOLOGY:
Late Latin albd, whiteness, from Latin albus, white; see albho- in Indo-European roots


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