simple past tense and past participle of derive

(electrochemistry) Initialism of lanthanum-zirconium-oxide. (La₂Zr₂O₇; a dielectric) / (electrochemistry) Initialism of lithium-zinc-oxide. (lithium-doped zinc oxide)

plural of Matthei

Of or relating to Karl Barth (1886–1968), Swiss Reformed theologian. / Of or relating to John Barth (born 1930), American writer known for his postmodernist and metafictional fiction.