Случайные слова.
преломление
refractio [onis, f]
биометрия
biometria [ae, f];
оператор
operator [ris, m],
блокнот
commentari olum [i, n] (annotationum), libellus [i, m] memorialis, libellus [i, m] pugillaris; adversaria [orum, npl]pl; liber [bri, m] commentarius;