
1) Basal 2) Basic 3) Cardinal 4) Central 5) Core 6) Essential 7) Grassroot 8) Grassroots 9) Hypostatic 10) Important 11) Inherent 12) Integral 13) Key 14) Main 15) Meat and potatoes 16) Mode 17) Near 18) Primal 19) Radical 20) Rudimentary 21) Significant 22) Ultimate 23) Underlying 24) Vital
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https://www.crosswordclues.com/clue/fundamental

1) Basic 2) Cardinal 3) Causal 4) Central 5) Connecting 6) Contributory 7) Core 8) Deep-seated 9) Drastic 10) Essential 11) Far-reaching 12) Important 13) Main 14) Major 15) Of central importance 16) Of import 17) Original 18) Primal 19) Primary 20) Principal 21) Sweeping 22) The fundamental structure
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https://www.crosswordclues.com/clue/fundamental

• (a.) Pertaining to the foundation or basis; serving for the foundation. Hence: Essential, as an element, principle, or law; important; original; elementary; as, a fundamental truth; a fundamental axiom. • (n.) A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the funda...
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http://thinkexist.com/dictionary/meaning/fundamental/

pertaining to a base or foundation.
Found on
http://users.ugent.be/~rvdstich/eugloss/DIC/dictio35.html

(from the article `sound`) As the vibration that has the lowest frequency for that particular type and length of string under a specific tension, this frequency is known as the ... The note produced by this basic wave form is called the fundamental. If the pressure of the generating vibration is increased sufficiently, the sound ... ...
Found on
http://www.britannica.com/eb/a-z/f/70

The tuned frequency and (almost always) the lowest frequency that is present in the sounding of a pitch by a musical instrument.
Found on
http://www.encyclo.co.uk/local/20447

Pertaining to a base or foundation. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973

The frequency of the first in a series of partials which make up the timbre of a musical sound. This first partial will also have the highest amplitude in the series and will be the frequency we recognize as the pitch of the musical sound. eg.: The fundamental of a complex musical waveshape at A440 will be 440Hz.
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http://www.encyclo.co.uk/local/22286

The primary frequency, or lowest frequency, present in a sound source or musical note. Frequencies caused by beating between two notes or sound sources, but that are not inherent in either source, are not fundamentals. (WW)
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http://www.encyclo.co.uk/local/22286
Fun'da·men`tal noun A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the
fundamentals of the Christian faith.
Found on
http://www.encyclo.co.uk/webster/F/86

Fun`da·men'tal adjective [ Confer French fondamental .] Pertaining to the foundation or basis; serving for the foundation. Hence: Essential, as an element, principle, or law; important; original; elementary; as, a fundamental truth; a fundamental axiom. « The fundamental
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http://www.encyclo.co.uk/webster/F/86

In bell tuning, an alternative name for the prime partial. This name is not used by some on the grounds that, unlike in other instruments, the fundamental is not the lowest frequency partial of a bell.
Found on
http://www.hibberts.co.uk/glossary.htm

This word is applied to those laws and rights which are most important; the foundation of society. Those laws by which the exercise of power is restrained and regulated are fundamental. The Constitution of the United States is the fundamental law of the land.
Found on
http://www.lectlaw.com/def/f143.htm

[
adj] - far-reaching and thoroughgoing in effect especially on the nature of something 2. [adj] - being or involving basic facts or principles 3. [n] - the lowest tone of a harmonic series
Found on
http://www.webdictionary.co.uk/definition.php?query=fundamental

fundamental, fundamentally 1. Of or relating to the foundation or base; elementary: 'We studied the fundamental laws of the universe.' 2. Forming or serving as an essential component of a system or structure; central: 'He presented an example that was fundamental to the argument.' 3. Of great significance or involving a major change: 'This is a b...
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http://www.wordinfo.info/words/index/info/view_unit/3834/

In periodic forced vibration, the term fundamental refers to the lowest frequency component present in a harmonic train. For example, most rotating machines have frequency components at multiples of shaft rotational frequency and the fundamental component is usually at rotational frequency (e.g. at 30 Hz in a machine rotating at 1800 rpm). In struc...
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https://www.encyclo.co.uk/local/20687
profound adjective far-reaching and thoroughgoing in effect especially on the nature of something; `the fundamental revolution in human values that has occurred`; `the book underwent fundamental changes`; `committed the fundamental error of confusing sp...
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https://www.encyclo.co.uk/local/20974

In musical acoustics, the lowest harmonic of a musical tone, corresponding to the audible pitch
Found on
https://www.encyclo.co.uk/local/21221

serving as, or being an essential part of, a foundation or basis; basic; underlying: fundamental principles; the fundamental structure. · of, pertaining to, or affecting the foundation or basis: a fundamental revision. · being an original or primary source: a fundamental idea. · (of a chord) having its root as its lowest note.
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https://www.infoplease.com/dictionary/fundamental

serving as an essential component
Found on
https://www.vocabulary.com/lists/1160398

serving as an essential component
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https://www.vocabulary.com/lists/844476
No exact match found.