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)
An amendment is a formal or official change made to a law, contract, constitution, or other legal document. It is based on the verb to amend, which means to change. Amendments can add, remove, or update parts of these agreements.n parliamentary procedure, the way that many meetings are run, an amendment is a type of motion-a proposal or formal suggestion to do something. Amendments can remove words, add words, or change words from motions.