the act of decreasing (something) in size or volume or quantity or scope
(physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
a word formed from two or more words by omitting or combining some sounds; "`won't' is a contraction of `will not'"; "`o'clock' is a contraction of `of the clock'"
produced by a wildly fanciful imagination; "his Utopia is not a chimerical commonwealth but a practical improvement on what already exists"- Douglas Bush
acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction; "of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced"