ATTEN'UATE, L. attenuo, of ad and tenuo, to make thin tenuis Eng. thin, which see.

1. To make thin or less consistent to subtilize or break the humors of the body into finer parts to render less viscid opposed to condense, incrassate or thicken.
2. To comminute to break or wear solid substances into finer or very minute parts.

This uninterrupted motion must attenuate and wear away the hardest rocks.

3. To make slender to reduce in thickness.

ATTEN'UATE, a. Made thin, or less viscid made slender.