infuscation

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English

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Noun

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infuscation (countable and uncountable, plural infuscations)

  1. The act of darkening.
  2. The state of being dark; obscurity.[1]
  3. A dark patch or marking.
    • 1959, Kansas Agricultural Experiment Station, Technical Bulletin:
      We consider, until more specimens are discovered, interruptus as only a subspecies of poecilogaster as the major differences between the two are color intensity of the wing infuscations, and of pile and tomentum.

References

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  1. ^ Samuel Johnson (1755 April 15) “INFUSCATION”, in A Dictionary of the English Language: [], volumes I (A–K), London: [] W[illiam] Strahan, for J[ohn] and P[aul] Knapton;  [], →OCLC.