Definition of ansatz in English:

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Pronunciation: /ˈansats/

Entry from British & World English dictionary


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'.

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