al•terPronunciation: (ôl'tur), [key]
to make different in some particular, as size, style, course, or the like; modify: to alter a coat; to alter a will; to alter course.
to castrate or spay.
to change; become different or modified.
Al•terPronunciation: (ôl'tur), [key]
1807–81, U.S. physicist.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.