DICT.TW Dictionary Taiwan

 fortieth
 (a.)第四十的,第四十個的,四十分之一的第四十,四十分之一

 For·ti·eth a.
 1. Following the thirty-ninth, or preceded by thirty-nine units, things, or parts.
 2. Constituting one of forty equal parts into which anything is divided.

 For·ti·eth, n. One of forty equal parts into which one whole is divided; the quotient of a unit divided by forty; one next in order after the thirty-ninth.
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 fortieth
      adj : the ordinal number of forty in counting order [syn: 40th]
      n : position 40 in a countable series of things