tan·ta·mount /ˈtæntəˌmaʊnt/
 (a.)同等的,相等的,相當于…的
 tantamount
 等值
 Tan·ta·mount a.  Equivalent in value, signification, or effect.
    A usage nearly tantamount to constitutional right.   --Hallam.
    The certainty that delay, under these circumstances, was tantamount to ruin.   --De Quincey.
 Tan·ta·mount, v. i. To be tantamount or equivalent; to amount. [Obs.]
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 tantamount
      adj : being essentially equal to something; "it was as good as
            gold"; "a wish that was equivalent to a command"; "his
            statement was tantamount to an admission of guilt"
            [syn: equivalent, tantamount(p)]