Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

n. - The act of making something different (as e.g. the size of a garment); The act of revising; An event that occurs when something passes from one state or phase to another.

edit
Usage examples (31)
  • For quite a small change of position to south or north causes a manifest alteration of the horizon.
  • This type of chromosome alteration is often seen in cancer cells.
  • Nor heed the billows boisterous tho they rise — this little alteration is for the better.
  • Had both women been registered there, one would have had to make a name alteration of some sort.
...click for more
Tutoring comment


Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.