senile(redirected from Seniles)
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(of land forms or rivers) at an advanced stage in the cycle of erosion
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
Pertaining to the stage of senility of the cycle or erosion.
Of, pertaining to, or caused by the aging process or by the infirmities of old age.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.