direction+downward
91quantum mechanics — quantum mechanical, adj. Physics. a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbr.: QM Cf. nonrelativistic quantum mechanics, relativistic quantum mechanics. [1920 25]… …
92human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… …
93Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …
94American Sign Language grammar — The grammar of American Sign Language (ASL) is the best studied of any sign language, though research is still in its infancy, dating back only to William Stokoe in the 1960s. Stokoe was the first linguist to approach any sign language as a full… …
95Kenshin Ryu — is a style of Okinawan kobudo that focuses on the use of the bo staff that is taught as a complementary style to Shito Ryu karate. As a supplementary style, it is known across the Japan, the US and Europe. One of its primary teachers is Akio… …
96Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
97analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
98echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea …
99Marching band — For the Swedish band, see Marching Band (band). Goin Band from Raiderland, a college marching band in the United States Video of the Tennessee Volunteers Pride of …
100arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… …
