Definition of "than"
conjunction:
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(usually used with for) Because; for.
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Used in comparisons, to introduce the basis of comparison.
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preposition:
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Introduces a comparison, and is associated with comparatives, and with words such as more, less, and fewer. Typically, it seeks to measure the force of an adjective or similar description between two predicates.
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adverb:
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At that time; then.
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