alteration meaning

[ ˌɔ:ltə'reiʃən ] Pronunciation:   "alteration" in a sentence
Noun: alteration  `oltu'reyshun
  1. An event that occurs when something passes from one state or phase to another
    - change, modification 
  2. The act of making something different (as e.g. the size of a garment)
    - modification, adjustment 
  3. The act of revising or altering (involving reconsideration and modification)
    - revision

Derived forms: alterations

See also: alter

Type of: change, happening, natural event, occurrence, occurrent, transformation, translation

Encyclopedia: 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.

noun [C,U]


changes that are made to sth, usually to improve it:

The designers have had to make major alterations to the engine.

The museum was reopened after three months of extensive alteration and repair.

2 (Law )

a change that is made to a legal document after it has been prepared or signed:

No alteration to the contract shall be binding on the Seller unless agreed in writing.

n. A change that, when made in a legal document, may affect its validity. An alteration in a will is presumed to have been made after execution and will therefore be invalid. However, it will be valid if it is proved to have been made before execution or if it was executed in the same way as the will itself. If the alteration is duly attested by the testator and the witnesses placing their initials or signatures by it, it is presumed to be valid. If an invalid alteration completely obliterates the original words, it is treated as a blank space. If the original words can still be read, they remain effective. Alterations in deeds are presumed to have been made before execution. Alterations made after execution do not affect the validity of the deed If their purpose IS to correct an obvious error. If, however, a material alteration is made to a deed after execution without the consent of the parties, the deed may become void in part. See also AMENDMENT.


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  1. we are making a few alterations to the house.
  2. the timetable is subject to alteration.
  3. make any alterations as you may think fit.
  4. he made extensive alterations on two of the pages.
  5. the alteration of the past is necessary for two reasons.

Related Words

  1. alter ego meaning
  2. alterability meaning
  3. alterable meaning
  4. alterant meaning
  5. alteration of share capital meaning
  6. alterations meaning
  7. alterative meaning
  8. altercate meaning
  9. altercation meaning
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