Definition of "sortal" []

• Of or pertaining to a sort (adjective)
• Having the character of a sortal (adjective)
• A type of universal that defines a particular sort of object (noun)

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• "Many philosophers have claimed that the notion of a sortal is the same notion as developed by Aristotle under the label "secondary substance" in several of his writings."
• "But it is vital that the distinction between sortals, phase or ultimate, and expressions such as brown thing be clearly maintained, if the notion of sortal is to serve any formal purpose."
• "This is a rather radical move, since it applies not just to clouds, but to any kind of sortal for which a similar problem can be generated."