Webster's 1913 Dictionary
FUMARIC
FUMARIC Fu *mar "ic, a. (Chem. )
Defn: Pertaining to, or derived from, fumitory (Fumaria officinalis ). Fumaric acid (Chem. ), a widely occurring organic acid, exttracted from fumitory as a white crystallline substance, C2H2 (CO2H )2, and produced artificially in many ways, as by the distillation of malic acid; boletic acid. It is found also in the lichen, Iceland moss, and hence was also called lichenic acid.
New American Oxford Dictionary
fumaric acid
fu mar ic ac id |fyo͝oˈmarik fjuˌmɛrɪk ˈæsəd | ▶noun Chemistry a crystalline acid, isomeric with maleic acid, present in fumitory and many other plants. [Alternative name: trans -butenedioic acid; chem. formula: HOOCCH =CHCOOH. ] DERIVATIVES fu ma rate |ˈfyo͞oməˌrāt |noun ORIGIN mid 19th cent.: fumaric from modern Latin Fumaria ‘fumitory ’ + -ic .
Oxford Dictionary
fumaric acid
fumaric acid |fjuːˈmarɪk | ▶noun [ mass noun ] Chemistry a crystalline acid, isomeric with maleic acid, present in fumitory and many other plants. ●Alternative name: trans -butenedioic acid; chem. formula: HOOCCH =CHCOOH. ORIGIN mid 19th cent.: fumaric from modern Latin Fumaria ‘fumitory ’ + -ic .
The Wordsmith Dictionary