adv. [f. ELEMENTARY + -LY2.] In a simple or rudimentary manner; also, † by purely physical causes (obs.).
1643. R. O., Mans Mort., v. 21. The Rationall Facultie in Man may as well be producted elementarily by Man.
1849. Ruskin, Sev. Lamps, ii. § 20. 52. Explaining elementarily.