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Webster 1913 Edition
Ortive
Or′tive
,Adj.
[L.
ortivus
, fr. oriri
, ortus
, to rise: cf. F. ortive
.] Of or relating to the time or act of rising; eastern;
as, the
. ortive
amplitude of a planetWebster 1828 Edition
Ortive
OR'TIVE
,Adj.
Rising, or eastern. The ortive amplitude of a planet is an arc of the horizon intercepted between the point where a star rises, and the east point of the horizon, the point where the horizon and equator intersect.