first principles definition, meaning - what is first principles in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “first principles”

See all translations

first principles

noun [plural] uk   us   UK
the basic and most important reasons for doing or believing something: We seem to have forgotten why we're fighting this campaign - we really need to return to first principles.
Translations of “first principles”
in Chinese (Traditional) 根本原則,首要原則…
in Chinese (Simplified) 根本原则,首要原则…
(Definition of first principles from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of first principles?
Add Cambridge dictionaries to your browser to your website

Word of the Day

decider

a final game or competition that allows one person or team to win, or the winning point scored

Word of the Day

She’s got very good posture. (How we stand and sit)

by Liz Walter,
May 27, 2015
Recently on this blog, we looked at the words that we use to describe the way we move. This week we’re looking at words for describing our bodies when they are still, whether we are standing or sitting. Since most of us do far too much of this, let’s start with sitting.

Read More 

ancestral health noun

May 25, 2015
diet based on the presumed diet of our Palaeolithic ancestors ‘Ancestral health,’ to use a term popular among Paleo followers, has gone mass.

Read More