in·to·na·tion (ĭn′tə-nāshən, -tō-)
a. The act of intoning or chanting.
b. An intoned utterance.
2. A manner of producing or uttering tones, especially with regard to accuracy of pitch.
3. Linguistics The use of changing pitch to convey syntactic information: a questioning intonation.
4. A use of pitch characteristic of a speaker or dialect: "He could hear authority, the old parish intonation coming back into his voice" (Graham Greene).
5. Music The opening phrase of a plainsong composition sung as a solo part.
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.