Definition of ab initio in English:

ab initio

Syllabification: ab in·i·ti·o
Pronunciation: /ˌab əˈniSHēˌō
 
/

adverb

From the beginning (used chiefly in formal or legal contexts): the agreement should be declared void ab initio
More example sentences
  • Enormous as the difference undoubtedly is between these faculties in the two cases, the difference is conceded not to be one existing ab initio.

adjective

[attributive] Back to top  
Starting from the beginning: he was instructing ab initio pilots
More example sentences
  • While ab initio prediction is clearly the most difficult, it is arguably the most useful approach.
  • It is likely that the ab initio approaches will help reduce some of the limitations of comparative modeling.
  • The first ab initio candidates will be selected by the middle of next month.

Origin

early 17th century: Latin.

Definition of ab initio in:

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