Ses`qui*al"ter*al (?), Ses`qui*al"ter*ate (?), a. [L. sesquialter once and a half; sesqui- + alter other: cf. F. sesquialt'ere.]

Once and a half times as great as another; having the ratio of one and a half to one.

Sesquialteral ratio Math., the ratio of one and a half to one; thus, 9 and 6 are in a sequialteral ratio.

 

© Webster 1913.

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