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Webster 1913 Edition
Diacaustic
Diˊa-caus′tic
,Adj.
[Pref.
dia-
+ caustic
.] (Opt.)
Pertaining to, or possessing the properties of, a species of caustic curves formed by refraction. See
Caustic surface
, under Caustic
. Diˊa-caus′tic
,Noun.
1.
(Med.)
That which burns by refraction, as a double convex lens, or the sun’s rays concentrated by such a lens, sometimes used as a cautery.
Webster 1828 Edition
Diacaustic
DIACAUSTIC
,Adj.