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Webster 1913 Edition
Diametrical
{
Di-am′e-tric
,Di-am′e-tric-al
, }Adj.
1.
Of or pertaining to a diameter.
2.
As remote as possible, as if at the opposite end of a diameter; directly adverse.
Webster 1828 Edition
Diametrical
DIAMETRICAL
,Adj.
1.
Describing a diameter.2.
Observing the direction of a diameter; direct; as diametrical opposition.