Modulate is to change from one pitch or tone of a voice or instrument.(verb)
When you raise the inflection of your voice at the end of a question, this is an example of when you modulate your voice.
See modulate in Webster's New World College Dictionary
Origin: < L modulatus, pp. of modulari, to regulate, measure off, arrange < modulus, dim. of modus: see mode
See modulate in American Heritage Dictionary 4
verb mod·u·lat·ed, mod·u·lat·ing, mod·u·lates verb, transitive
Origin: Latin modulārī, modulāt-, to measure off, to regulate
Origin: , from modulus
Origin: , diminutive of modus, measure; see med- in Indo-European roots.
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