Obs. rare1. [n. of action f. L. aggelā-re to stiffen with cold; f. ag- = ad- to + gelā-re to freeze, f. gel-ū frost. Cf. congelation.] The act of freezing to, or congealing about.

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a. 1681.  Sir T. Browne, Pseud. Ep., II. i. (ed. 1686), 41. Growing greater or lesser according unto the accretion or pluvius aggelation about the mother and fundamental atomes.

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