Loses Sheen Perhaps

• a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture

• a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi

• the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water

• any of various fungi causing rust disease in plants

• A strong reddish brown color.

• of the brown color of rust

• become destroyed by water, air, or a corrosive such as an acid

• cause to deteriorate due to the action of water, air, or an acid

• become coated with oxide

• lacking in liveliness or animation

• emitting or reflecting very little light

• not keenly felt

• not having a sharp edge or point

• being or made softer or less loud or clear

• so lacking in interest as to cause mental weariness

• (of color) very low in saturation; highly diluted

• slow to learn or understand; lacking intellectual acuity

• (of business) not active or brisk

• blunted in responsiveness or sensibility

• not clear and resonant; sounding as if striking with or against something relatively soft

• darkened with overcast

• make dull in appearance

• become dull or lusterless in appearance; lose shine or brightness

• deaden (a sound or noise), especially by wrapping

• make numb or insensitive

• make dull or blunt

• become less interesting or attractive

• make less lively or vigorous

• an explanation or definition of an obscure word in a text

• an alphabetical list of technical terms in some specialized field of knowledge; usually published as an appendix to a text on that field

• the property of being smooth and shiny

• an outward or token appearance or form that is deliberately misleading

• give a shine or gloss to, usually by rubbing

• provide interlinear explanations for words or phrases

• provide an interlinear translation of a word or phrase

• give a deceptive explanation or excuse for