APSIS
\ˈapsɪs], \ˈapsɪs], \ˈa_p_s_ɪ_s]\
Sort: Oldest first
-
In a curve referred to polar coordinates, any point for which the radius vector is a maximum or minimum.
By Oddity Software
-
In a curve referred to polar coordinates, any point for which the radius vector is a maximum or minimum.
By Noah Webster.
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.