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Webster 1913 Edition
Cossical
{
Cos′sic
(k?s′s?k)
, Cos′sic-al
(-s?-kal)
, } Adj.
[It.
cossico
. See 2d Coss
.] Of or relating to algebra;
as,
. cossic
numbers, or the cossic
art[Obs.]
“Art of numbers cossical.” Digges (1579).