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definitions

threshold substance

n.

A material excreted in the urine only when its concentration in the plasma exceeds a certain value.

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Nearby words

  1. threshing machine,
  2. threshold,
  3. threshold agreement,
  4. threshold limit value,
  5. threshold stimulus,
  6. threw,
  7. thrice,
  8. thrift,
  9. thrift shop,
  10. thriftless
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.