Obs. rare–1. [improp. f. ADVENTIT-IOUS + -ION, after nutritious, nutrition, etc.] = ADVENTION.
1671. J. Webster, Metallogr., viii. 123. The adventition and mixture of extraneous matter.
Obs. rare–1. [improp. f. ADVENTIT-IOUS + -ION, after nutritious, nutrition, etc.] = ADVENTION.
1671. J. Webster, Metallogr., viii. 123. The adventition and mixture of extraneous matter.
