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ab initio

American  
[ahb i-nit-ee-oh, ab i-nish-ee-oh] / ɑb ɪˈnɪt iˌoʊ, æb ɪˈnɪʃ iˌoʊ /

adverb

Latin.
  1. from the beginning.


ab initio British  
/ æb ɪˈnɪʃɪˌəʊ /
  1. from the start; from scratch

    ab initio courses

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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See Examples For:

Many universities now offer "ab initio" undergraduate courses for languages, meaning you can start as a complete beginner - something Prof Koglbauer says has bolstered uptake.

From BBC Dec. 15, 2025

This effect was confirmed through ab initio molecular dynamics simulations, which revealed the migration pathways of protons near the Sc cation when transporting across the material.

From Science Daily May 29, 2024

The extensive ab initio molecular dynamics simulations used in this study were still limited by their short time and length scales and high computational costs in representing the chemical reactions.

From Science Daily Dec. 4, 2023

In that sense, the void ab initio doctrine is a tool of accountability.

From Slate Nov. 16, 2022

Every ballot cast in the absence of liberty of the press is void ab initio.

From Napoleon the Little by Hugo, Victor

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