(geometry) An escribed circle; a circle outside a polygon (especially a triangle, but also sometimes a quadrilateral) that is tangent to each of the lines on which the sides of the polygon lie.
exilarch
exilarch
noun
The head of a community of Jews in the diaspora.
The leader of the Jews of the Babylonian exile.
microlux
microlux
noun
A unit of illuminance or illumination, one millionth of a lux.
oxaluric
xylorcin
xylorcin
noun
(chemistry, dated) A derivative of xylene obtained as a white crystalline substance that turns red on exposure to air.
