Science Dictionary
secondary  [%PREMIUM_LINK%]     (sěk'ən-děr'ē)  Pronunciation Key 
  1. Relating to a secondary color.

  2. Relating to or derived from either of the lateral meristems (the cork cambium or the vascular cambium) of vascular plants. For example, secondary xylem in a stem is produced by the vascular cambium, as opposed to primary xylem produced by the apical meristem during the original growth of the stem from a seedling. See also secondary growth.

    1. Relating to or having a carbon atom that is attached to two other carbon atoms in a molecule.

    2. Relating to an organic molecule, such as an alcohol, in which the functional group is attached to a secondary carbon.

  3. Relating to a medical condition that arises as a result of another disorder, disease process, or injury. Compare primary, tertiary.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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