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ATTEN'UATE, verb transitive [Latin 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, adjective Made thin, or less viscid; made slender.