adj. of, or relating to maleic acid or its derivatives
the GNU version of the Collaborative International Dictionary of English
adj. Pertaining to, or designating, an acid of the ethylene series (maleic acid), metameric with fumaric acid and obtained by heating malic acid.
The Century Dictionary and Cyclopedia
Derived from malic acid.
Word Usage
"The catch is that until Pimi scales up production of their sprout suppressant, it costs $5 per ton, compared to $3 per ton for chlorpropham or maleic hydrazide."