Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: a postulate in phonetics: the reinforcing vibrations produced in the superglottic cavities in vowel articulation are harmonics of the fundamental vocal-cord note — compare formant, inharmonic theory
You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
Share harmonic theory
Resources for harmonic theory
Comments on harmonic theory
What made you want to look up harmonic theory? Please tell us where you read or heard it (including the quote, if possible).
to clear from alleged fault or guilt
Get Word of the Day daily email!
Difficult Vocab Quiz
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
This is just to say / Don't confuse them
What exactly is the 'it' being sufficed?
Taking a usage peeve to task
You can't shut them up, but you can label them
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Another round of challenging vocab!
(Secret October WOTD Quiz)
SCRABBLE® fans, sharpen your skills!