Ar"dor (#), n. [L. ardor, fr. ardere to burn: cf. OF. ardor, ardur, F. ardeur.] [Spelt also ardour.]


Heat, in a literal sense; as, the ardor of the sun's rays.


Warmth or heat of passion or affection; eagerness; zeal; as, he pursues study with ardor; the fought with ardor; martial ardor.

3. pl.

Bright and effulgent spirits; seraphim. [Thus used by Milton.]

Syn. -- Fervor; warmth; eagerness. See Fervor.


© Webster 1913.

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