Grammatically, "a contraction" is a short form of one or two words created by replacing one or more letters with an apostrophe (e.g. do not = don't or cannot = can't).
Anatomically, contraction is the shortening of muscles, more specifically such actions as the squeezing of heart muscles to pump blood, or the peristaltic movements that propel a fetus through the birth canal.
Generally, it is the shortening of a length in materials, as may be caused by a decrease in temperature. An example is the increased tension in electrical wires in the wintertime.
There is no contraction. The contraction she'd can mean she had or she would.
The contraction is she'd (rhymes with need). This contraction can also mean "she had."
The contraction is who'd. But who'd can also mean "who would."
Hadn't is a contraction of the verb 'had' and the adverb 'not'; the contraction acts as a verb.
extension and contraction in demand. extension mean increase in demand and contraction man decrease in demand
what does contractions mean in dance
The contraction for she has is she's which has the same meaning as "she is" and "she has"
Doesn't is a contraction of do not
Weren't is a contraction of were not.
Weren't is a contraction of were not.
contract or "contraction" is when a muscle fiber lengthens or shortens
A contraction of Supernumerary, in sense 2.