(anatomy) The tensioning of a muscle as it is being lengthened

(linguistics) An etymological phenomenon when a new word or slang term develops from shortening and slightly altering a longer word.

plural of eccentric contraction

(linguistics) A style of contraction (such as want to into wanna, or going to into gonna) that may or may not be possible depending on the sense of to.

plural of wanna contraction

(physics) Lorentz-Fitzgerald contraction

plural of lanthanide contraction

plural of length contraction

plural of mutated contraction

An involuntary movement of the haustrum in the colon that aids in digestion.