[ dee-gley-shee-ey-shuh n, -see- ]
/ diˌgleɪ ʃiˈeɪ ʃən, -si- /

noun Geology.

the gradual melting away of a glacier from the surface of a landmass.

Nearby words

  1. degeneration,
  2. degenerative,
  3. degenerative joint disease,
  4. degerm,
  5. degerminate,
  6. deglamorize,
  7. deglaze,
  8. degloss,
  9. degloving,
  10. deglut

Origin of deglaciation

First recorded in 1890–95; de- + glaciation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for deglaciation


[ dē-glā′shē-āshən ]

The uncovering of land that was previously covered by a glacier. Deglaciation occurs when a glacier melts.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.