līnĕāris, e (or līnĭāris), adj. [linea],
of or belonging to lines, consisting of lines, linear : pictura, the art of drawing with lines, without colors , Plin. 35, 3, 5, § 16: ratio, the science of lines, geometry , Quint. 1, 10, 36: probatio, a proving by means of lines, a mathematical demonstration , id. 1, 10, 49.—Adv.: līnĕārĭter , by lines , Boëth. Inst. Music. 3, 9 init.