Today's Words to Define

lugubrious
metamorphosis
mitosis
moiety
nanotechnology

lugubrious: \lŏŏ-gōō'brē-əs, -gyōō'-\; Mournful, dismal, or gloomy, especially to an exaggerated or ludicrous degree.
metamorphosis: \mět'ə-môr'fə-sĭs\; the marked and rapid transformation of a larva into an adult that occurs in some animals; a striking change in appearance or character or circumstances; a complete change of physical form or substance especially as by magic or witchcraft.
mitosis: \mī-tō'sĭs\; cell division in which the nucleus divides into nuclei containing the same number of chromosomes.
moiety: \moi'ĭ-tē\; one of two (approximately) equal parts; one of two basic subdivisions of a tribe.
nanotechnology: \nān'ə-těk-nŏl'ə-jē\; the science and technology of devices and materials, such as electronic circuits or drug delivery systems, constructed on extremely small scales, as small as individual atoms and molecules.