CRITICAL a.
s wholly reflected, and no portion of it transmitted. The sine of this angle is the reciprocal of the refractive index of the medium. -- Critical philosophy, the metaphysical system of Kant; -- so called from his most important work, the "Critique of Pure Reason." - - Critical point (Physics), a certain temperature, d…
CROSS a.
Cross bedding (Geol.), oblique lamination of horizontal beds, -- Cross bill. See in the Vocabulary. -- Cross bitt. Same as Crosspiece. -- Cross bond, a form of bricklaying, in which the joints of one stretcher course come midway between those of the stretcher courses above and below, a course of headers and stretche…