the process of consuming food, energy, materials etc or the quantity consumed

devouring; use

the act of contracting or being contracted

drawing in; shortening

a period of gradual and continued loss of importance, strength

lessening

(the result, amount of) decreasing

diminishing, lessening

an amount of money which may be taken off the full price, e.g. for quick payment

reduction in cost

the flowing out of the tide; a low mood or state

regression; decline

a total or partial disappearance of the light of the sun (when the moon is between it and the earth), or of the moon (when the earth's shadow falls on it)

shadowing of the sun

an act of falling; autumn

descent; lowering

(an instance, example, of) reducing or being reduced

decline

clothes; to have (something) on the body or on some part of it; to have (an expression) on the face; (to cause something) to become less useful or be in the condition mentioned by being used

use, corrosion