HARMONIC; HARMONICAL a.
rbitrary, periodic function of two independent variables, in the proper form for a large class of physical problems, involving arbitrary data, over a spherical surface, and the deduction of solutions for every point of space. The functions employed in this method are called spherical harmonic functions. Thomson & Tait.…
HIEROGLYPH; HIEROGLYPHIC n.
e writing of the ancient Egyptian priests. It is made up of three, or, as some say, four classes of characters: first, the hieroglyphic proper, or figurative, in which the representation of the object conveys the idea of the object itself; second, the ideographic, consisting of symbols representing ideas, not sounds, a…
HISTORY n.
real event, including the actors and the action. -- Natural history, a description and classification of objects in nature, as minerals, plants, animals, etc., and the phenomena which they exhibit to the senses.