[ uh-spahr-teym, a-spahr-, as-per-teym ]
/ əˈspɑr teɪm, æˈspɑr-, ˈæs pərˌteɪm /


a white, crystalline, odorless, slightly water-soluble noncarbohydrate powder, C14H18N2O5, synthesized from amino acids, that is 150–200 times as sweet as sugar: used as a low-calorie sugar substitute in soft drinks, table sweeteners, and other food products.

Origin of aspartame

1970–75; aspart(yl phenyl)a(linine) m(ethyl) e(ster), the powder's chemical name Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for aspartame

British Dictionary definitions for aspartame

/ (əˈspɑːˌteɪm) /


an artificial sweetener produced from aspartic acid. Formula: C 14 H 18 N 2 O 5

Word Origin for aspartame

C20: from aspart (ic acid) + (phenyl) a (lanine) m (ethyl) e (ster)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for aspartame

[ ăspər-tām′, ə-spär- ]


A low-calorie, artificial sweetening agent derived from aspartic acid.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for aspartame

[ ăspər-tām′, ə-spär- ]

An artificial sweetener formed from aspartic acid. Chemical formula: C14H18N2O5.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.