Ab Initio Definition

ăb ĭ-nĭshē-ō
adverb
From the beginning.
Webster's New World
From the first act. From the beginning; back to one’s creation or inception.
Webster's New World Law
(law) From the time when a legal document comes into force. [Early 17th century.]
Wiktionary
(sciences) Calculated from first principles, i.e. from basic laws without any further additional assumptions.
Wiktionary
(of an academic course) Taken with no prior qualifications.
Wiktionary
Synonyms:

Origin of Ab Initio

  • Latin ab initiō ab from initiō ablative of initium beginning

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin ab (“from”) + initiō, ablative singular of initium (“beginning”).

    From Wiktionary

  • L

    From Webster's New World College Dictionary, 5th Edition

Ab Initio Sentence Examples

  • The marriage was declared invalid ab initio either on the ground of Anne's precontract with Lord Percy or more probably on the ground of the affinity established between Henry and Anne by Henry's previous relations with Mary Boleyn.

  • Both experimental work and ab-initio calculations agree that the most stable form is the ammonium ion pair species.

  • Working on these lines, and attaching special importance to common descent, naturalists applied the term with more and more precision, until Linnaeus, in his Philosophia botanica, gave the aphorism, "species tot sunt diversae, quot diversae formae ab initio sunt creatae" - "just so many species are to be reckoned as there were forms created at the beginning."

  • They describe an English speaking ab initio student of German who exhibited an unusually strong tendency to use word coinage and lexical innovation.

  • The GAMESS-UK Benchmark is designed to represent the typical range of calculations commonly performed by the ab initio quantum chemist.

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Words Starting With

AAB

Words Ending With

OIOTIO

Unscrambles

ab initio

Words Starting With A and Ending With O

Starts With A & Ends With OStarts With AB & Ends With OStarts With A & Ends With IO

Word Length

9 Letter Words9 Letter Words Starting With A9 Letter Words Ending With O