What is "contemperation"

Contemperation \Con*tem`per*a"tion\ (k[o^]n*t[e^]m`p[~e]r*[=a]"sh[u^]n), n.

1. The act of tempering or moderating. [Obs.]
   --Sir T. Browne.

2. Proportionate mixture or combination. ``Contemperation of light and shade.''
   --Boyle.

n. 1 (context obsolete English) The act of tempering or moderate. 2 (context obsolete English) proportionate mixture or combination