Alteration

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alteration

[‚ȯl·tə′rā·shən]
(graphic arts)
In printing composition, a change that is made in typeset copy.
(petrology)
A change in a rock's mineral composition.

Alteration

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.

alteration

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.