n.
In phonetics , an emphasis given to a syllable of speech by making it louder than the rest of the word.
This emphasis may have no meaning; for example, Czech words are regularly stressed on the first syllable. It may, however, distinguish the meanings of similarly spelled but differently pronounced words; for example, permit is stressed on the first syllable as a noun and on the second as a verb. It may also be applied to a word to express its importance in a sentence. See also intonation .