Alteration(redirected from Altered tone)
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In printing composition, a change that is made in typeset copy.
A change in a rock's mineral composition.
A term in the building code referring to any change in a structure which does not increase any of its exterior dimensions, or any modification in construction or grade of occupancy.
Construction in a building which may change the structural parts, mechanical equipment, or location of openings, but does not increase the overall area of dimensions of the building.