noun a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it
adjective satellite unaffected by a designated operation or transformation
adjective satellite unvarying in nature
changeless; constant; unvarying.
- maintained a constant temperature
- principles of unvarying validity
- (Math.) An invariable quantity; specifically, a function of the coefficients of one or more forms, which remains unaltered, when these undergo suitable linear transformations.
J. J. Sylvester.
Sharpen your Skills with the Masters
"Rowling never met an adverb she didn't like."
-Stephen King on J.K Rowling's excessive use of adverbs.
Fear not the Adverb Hell!