Fundamental

A fundamental is something that cannot be built out of more basic things, which other things are built upon. See:

• Fundamental frequency, a concept in music or phonetics
• Fundamentalism
• Fundamental theorem of algebra
• Fundamental theorem of arithmetic

See also

• Basic
• Foundation

Reference

• fundamental: Definition, Synonyms and Much More From Answers.com

Further reading

• Richard Feynman, Theory of Fundamental Processes.

See also: Fundamental, Basic, Foundation, Fundamental frequency, Fundamental theorem of algebra, Fundamental theorem of arithmetic, Fundamentalism, Music, Phonetics