Share this entry

ansatz Line breaks: an¦satz
Pronunciation: /ˈansats/

Definition of ansatz in English:


An assumption about the form of an unknown function which is made in order to facilitate solution of an equation or other problem.
Example sentences
  • The conventional ansatz for the B-state dominance in S65T is that the negative charge on the anionic Glu - 222 prevents wt-Cro ionization in the GS and conversely, the neutral Glu - 222 in the S65T mutant permits its permanent ionization.
  • This observation is harder to rationalize within the conventional ansatz, that Thr - 203 rotates to form the HB to the anion only after ESPT.
  • Using this approximation ansatz, several problems concerning planar rods reduce to elementary geometry, as seen from the following simple but illustrative examples.


1940s: from German Ansatz 'approach, attempt'.

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day coiffeur
Pronunciation: kwäˈfər
a hairdresser