01 n. Heat, in a literal sense; as, the ardor of the sun's rays.
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1.
Heat, in a literal sense; as, the ardor of the sun's rays.
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2.
Warmth or heat of passion or affection; eagerness; zeal; as, he pursues study with ardor; the fought with ardor; martial ardor.
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3.
Bright and effulgent spirits; seraphim.[Thus used by Milton.]