Having or characterized by two cotyledons; dicotyledonous.
From Greek 'di-' (two) + 'kotyle' (cup) + '-ous' (adjective suffix). A variant form meaning the same as dicotyledonous, used more rarely in scientific literature.
Different scientists in different countries developed their own terms for the same thing, so you'll find 'dicotylous,' 'dicotyledonous,' and other variations all meaning exactly the same thing!
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