XX (n.)

  1. the cardinal number that is the sum of nineteen and one

    [ Syn: twenty , 20 , xx ]

  2. (genetics) normal complement of sex chromosomes in a female

    [ Syn: xx ]

    xx (adj.)

  1. denoting a quantity consisting of 20 items or units

    [ Syn: twenty , 20 ]

The dictionary is based on the WordNet Electronic Lexical Database.
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