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ar·tic·u·la·tion (är-tĭkyə-lāshən)
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n.
1. The act of vocal expression; utterance or enunciation: an articulation of the group's sentiments.
2.
a. The act or manner of producing a speech sound.
b. A speech sound, especially a consonant.
3.
a. A jointing together or being jointed together.
b. The method or manner of jointing.
4. Anatomy
a. A fixed or movable joint between bones.
b. A movable joint between inflexible parts of the body of an animal, as the divisions of an appendage in arthropods.
5. Botany
a. A joint between two separable parts, as a leaf and a stem.
b. A node or a space on a stem between two nodes.
6. The conversion of a student's credits at one school to credits at another school by comparing the curricula.

ar·ticu·la·tory (-lə-tôrē), ar·ticu·lative (-lātĭv, -lə-tĭv) adj.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 

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:

    Indo-European Roots

    Semitic Roots

    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.