Englishfor English speakers
ninth
Adjective
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The ninth thing is something that is number nine (9) in order.
ninth
Noun
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A ninth of something is one of nine equal parts of that thing.
Two is one ninth of eighteen.
amendment
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noun
the act of amending or correcting
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noun
a statement that is added to or revises or improves a proposal or document (a bill or constitution etc.)