'yes-no question' One which has a simple positive or negative answer. CF. closed interrogative, polar interrogative.
yod The sound[j] written as y e.g. in English yet [jɛt]. Hence yodization (also 'yoticization' etc.) is a sound change or other process resulting in [j].
Yurok California language related to Algonquian within Algic.
Definitions from: The Concise Oxford Dictionary of Linguistics, Second edition, 2007
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