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Classic usage
Reading level: hard
Estimated CEFR level: B2 — Upper-Intermediate
Estimated from word frequency; not an official CEFR classification.
Borrowed from Latin regulatus, perfect passive participle of regulō (“to direct, rule, regulate”) (see -ate (verb-forming suffix)), from regula (“rule”), from regō (“to keep straight, direct, govern, rule”). Compare regle, rail. Displaced native Old English metegian.
modulate
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tap / space
Classic usage
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