1. an expression of the change or effect produced by the variation in certain variables, or of the ratio between two different quantities. 2. in chemistry, a number or figure put before a chemical formula to indicate how many times the formula is to be multiplied. absorption coefficient absorptivity.
Definition of Alteration. an event that occurs when something passes from one state or phase to another; the change was intended to increase sales; this storm is certainly a change for the worse; the neighborhood had undergone few modifications since his last visit years ago the act of making something different (as e.g. the size of a garment)
ALTERATIONS -As applied to a building or structure, any change orrearrangement in the total floor. area, oran enlargement, whether by extending on a side orby increasing in height. ALTERATIONS, STRUCTURAL -Any change in the supporting members ofa building or structure, such as bearing walls, columns, beams orgirders. AMENDMENT - Achange which includes revisions to the zoning text and/or the official zoning map. The authority for any amendment lies solely with the Board ofSupervisors.