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-ous Syllabification: -ous

Definition of -ous in English:

suffix

Forming adjectives:
1Characterized by; of the nature of: dangerous mountainous
2 Chemistry Denoting an element in a lower valence: ferrous sulfurous Compare with -ic.

Origin

From Anglo-Norman French, or Old French -eus, from Latin -osus.

Definition of -ous in:

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