Third person singular present tense: explains or makes something clear.
Same root as 'elucidated' (Latin 'elucidare'), but in present tense form used with he/she/it or in general statements.
The '-ates' ending marks this as a present-tense verb in formal English, creating a chain of related forms (elucidate, elucidates, elucidated) that show how verbs can change shape based on who's doing the action and when.
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