Diacoustics

di-a-kows'-tiks, s. the science of sounds refracted by pa ing through media po e ed of different densities. a. marks that distinguish letters of the alphabet which resemble each other. See Actinism. united into two bodies or bundles by their filaments [Bot.] (Gr. di, twice, and adelphos, a brother.) filaments [Bot.] worn as a badge of royalty; anything worn on the head as a badge of royalty or sovereign dominion; acrown; sovereign power. into another [Med.] (Gr. dia, and dechomai, to receive.) the time in which the vibration of a pendulum is per the mark ( *) placed over two vowels, denoting that they are to be separately pronounced, as aër (Gr. dia, apart, and haireo, to take). surface (Sculpt.,Engrav., .] (Gr. dia, and glypho, to carve.) its symptoms. disease by its distinctive marks [Path.]; brief discriminating description of a plant [Bot.] (Gr. dia, and gnosis, knowledge.) the nature of a disease: s. the symptom by which a disease is known or distinguished from others: pl. the study of symptoms. used for the purpose of ascertaining the conducting power of oil, as a means of detecting its adulteration (Gr. diago,to convey, and meter). Diagonal. system of lines by which hundredths of