Fundamental Definition

fŭndə-mĕntl
fundamentals
adjective
Relating to what is basic; radical.
A fundamental alteration.
Webster's New World
Of or forming a foundation or basis; basic; essential.
The fundamental rules of art.
Webster's New World
On which others are based; primary; original.
A fundamental type.
Webster's New World
Of great significance or entailing major change.
A book that underwent fundamental revision.
American Heritage
Of or relating to the lowest possible frequency or the lowest frequency component of a vibrating element, system, periodic wave, or quantity.
A fundamental chord.
American Heritage
noun
fundamentals
A principle, theory, law, etc. serving as a basis; essential part.
Webster's New World
The lowest, or root, tone of a chord.
Webster's New World
The lowest frequency at which a system, as an air column or stretched string, will freely vibrate.
Webster's New World
The prime or main tone of a harmonic series.
Webster's New World
A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the fundamentals of linear algebra.
Wiktionary

Other Word Forms of Fundamental

Noun

Singular:
fundamental
Plural:
fundamentals

Origin of Fundamental

  • From Late Latin fundamentalis, from Latin fundamentum (“foundation”), from fundare (“to lay the foundation (of something), to found”), from fundus (“bottom”)

    From Wiktionary

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