1 For severe stains, add 1-2 cups vinegar to the wash cycle as well. 2  To remove a rust stain from your cotton work clothes, moisten the spot with some full-strength vinegar and then rub in a bit of salt. 3  If itâs warm outdoors, let it dry in the sunlight (otherwise a sunny window will do), then toss it in the wash.
absorption spectrum - the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths. spectrum - an ordered array of the components of an emission or wave.
The noun ABSORPTION has 6 senses: 1. (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid. 2. (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium.