The state of being altered; a change made in the form or nature of a thing; changed condition
and I saw by the alteration in your face that a train of thought had been started.
The act of altering or making different
alteration, though it be from worse to better, hath in it inconveniences….
change or modification
{n} a change made, the act of changing
An alteration is a change in or to something. Making some simple alterations to your diet will make you feel fitter = change
A change to the information in a record after it is signed
In Tempus Perfectum, if a pair of semibreves are between two breves, the second one is `altered', by doubling its duration Thus, the notation would be equivalent to In order for to be read in Tempus Perfectum as B S S B, it would have to be written with a Punctus Divisionis between the semibreves
Changing or making different
In composition, any change made in the copy after it has been typeset to top
A coin that has a date, mint mark, or other feature that has been changed, added, or removed, usually to simulate a rarer issue
the recrystallisation of rock surrounding an igneous intrusion in response to the heat supplied by the intrusion
the act of making something different (as e g the size of a garment)
Alteration is any change to a buildings water-heating system, space-conditioning system, lighting system, or envelope that is not an addition
the act of revising or altering (involving reconsideration and modification); "it would require a drastic revision of his opinion"
A change in the mineralogy of the country rock as a result of a chemical reaction with hydrothermal solutions For example, mafic minerals such as hornblende or biotite may alter to chlorite and feldspars may alter to clay An alteration zone describes rocks which have been altered to a specific group of secondary or alteration minerals, usually around the perimeter of a mineral deposit