quadragenarian

noun

One who is quadragenarian

adjective

Between the ages of 40 and 49; in one's fifth decade

quadrillion

noun

Any very large number, exceeding normal description.

numeral
  1. (modern British and Australian, short
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quadroon

noun
  1. A person of three-fourths Caucasian descent and one fourth African descent.
  2. A person of three-quarters
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qualification

noun
  1. The act or process of qualifying for a position, achievement etc.
    Qualification for this organization
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quantification

noun
  1. The act of quantifying.
  2. The expression of an economic activity in monetary units.
  3. A limitation that
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