SPECTRUM n.
, have their maximum influence at and beyond the violet rays, but are not limited to this region. -- Chromatic spectrum, the visible colored rays of the solar spectrum, exhibiting the seven principal colors in their order, and covering the central and larger portion of the space of the whole spectrum. -- Continous sp…
STRATEGIC; STRATEGICAL a.
ic line (Mil.), a line joining strategic points. -- Strategic point (Mil.), any point or region in the theater or warlike operations which affords to its possessor an advantage over his opponent, as a mountain pass, a junction of rivers or roads, a fortress, etc.