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Webster 1913 Edition
Synclastic
Syn-clas′tic
,Adj.
[Pref.
syn-
+ Gr. κλᾶν
to break.] (Math. Physics)
Curved toward the same side in all directions; – said of surfaces which in all directions around any point bend away from a tangent plane toward the same side, as the surface of a sphere; – opposed to anticlastic.
Sir W. Thomson.