alteration

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change

 [chānj]
conversion of something to a different form.
culture change the sum of the changes that occur in a culture over time in response to various circumstances; such changes result from contact between groups and forces within the culture.
dressing change/wound care in the omaha system, the observing, cleansing, irrigating, or covering of a wound, lesion, or incision.
reciprocal c's the changes seen in leads facing the wall opposite to a myocardial infarction; they were formerly thought to be purely electrical but are now considered a sign of more extensive myocardial damage.
role change in the omaha system, movement away from or into a set of expected behavioral characteristics.

al·ter·a·tion

(awl'ter-ā'shŭn), Do not confuse this word with alternation.
1. A change.
2. An act of making something different.

alteration

change.
References in periodicals archive ?
One last hard look, whereupon the Duke resumed his discourse in an altered tone, now some unintelligible rant of stooping - His Grace chooses "never to stoop" when he makes reproof.
This is a good time to remind the student that the altered tone, (the raised seventh degree) in the harmonic form, came about because, over time, the human ear came to prefer the sound of the semitone occurring between degrees seven and eight, but minor key signatures do not reflect the altered seventh tone.
The final seven chapters cover more open voicings that eventually include extension and altered tones.