any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent
a large edge tool that cuts sheet metal by passing a blade through it
(physics) a deformation of an object in which parallel planes remain parallel but are shifted in a direction parallel to themselves; "the shear changed the quadrilateral into a parallelogram"
the act of allowing; "He objected to the allowance of smoking in the dining room"
a permissible difference; allowing some freedom to move within limits
an amount added or deducted on the basis of qualifying circumstances; "an allowance for profit"
an amount allowed or granted (as during a given period); "travel allowance"; "my weekly allowance of two eggs"; "a child's allowance should not be too generous"
a light brief snowfall and gust of wind (or something resembling that); "he had to close the window against the flurries"; "there was a flurry of chicken feathers"