- Fundamental is defined as something that is basic or essential.
The most basic underlying truth of a religion is an example of a fundamental truth.
- The definition of fundamental is a basic truth or law.
Freedom is an example of a fundamental of the American ideal.
- of or forming a foundation or basis; basic; essential: the fundamental rules of art
- relating to what is basic; radical: a fundamental alteration
- on which others are based; primary; original: a fundamental type
- most important; chief: his fundamental needs
- designating or of the lowest, or root, tone of a chord
- designating the prime or main tone of a harmonic series
- Physics designating or of a fundamental
Origin: Late Middle English ; from Midieval Latin fundamentalis ; from Classical Latin fundamentum: see fundament
- a principle, theory, law, etc. serving as a basis; essential part
- the lowest, or root, tone of a chord
- the prime or main tone of a harmonic series
- Physics the lowest frequency at which a system, as an air column or stretched string, will freely vibrate
- fundamentally adverb
Used by arrangement with John Wiley & Sons, Inc.
- a. Of or relating to the foundation or base; elementary: the fundamental laws of the universe.b. Forming or serving as an essential component of a system or structure; central: an example that was fundamental to the argument.c. Of great significance or entailing major change: a book that underwent fundamental revision.
- Physics a. Of or relating to the component of lowest frequency of a periodic wave or quantity.b. Of or relating to the lowest possible frequency of a vibrating element or system.
- Music Having the root in the bass: a fundamental chord.
- Something that is an essential or necessary part of a system or object.
- Music The first harmonic in a harmonic series; the lowest harmonic.
- Physics The lowest frequency of a periodically varying quantity or of a vibrating system.
- funˌda·menˈtal·ly adverb