lithologist|lɪˈθɒlədʒɪst| [f. lithology + -ist.] One who is versed in lithology. 1746Da Costa in Phil.Trans. XLIV. 398 A regular jointed conic Body, called by Lithologists the Alveolus of the Belemnites.1811W. Taylor in Monthly Mag. XXXI. 448 Our lithologists would do well to revive this name.