scoria
From LSJ
ὁ μὴ δαρεὶς ἄνθρωπος οὐ παιδεύεται → spare the rod and spoil the child | οne who hasn't been flayed is not being taught | if the man was not beaten, he is not educated | the man, who was not paddled, is not educated
Latin > English
scoria scoriae N F :: slag, dross; (of metals)
Latin > English (Lewis & Short)
scōrĭa: ae, f., = σκωρία,>
I dross, slag, scoria of metals, Plin. 33, 4, 21, § 69; 33, 6, 35, § 105; 34, 11, 24, § 107; 34, 18, 51, § 171; Pall. 1, 41, 3; Vulg. Isa. 1, 22.
Latin > French (Gaffiot 2016)
scōrĭa, æ, f. (σκωρία), scorie : Plin. 33, 69 ; Pall. 1, 41, 3.
Latin > German (Georges)
scōria, ae, f. (σκωρία), die Schlacken des Metalles, Plin. u.a.