spiral bearing
71heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… …
72navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …
73Astrological age — For the song, see Aquarius/Let the Sunshine In. For the album, see The Age of Aquarius (album). An astrological age is a time period in astrology which is believed by some to parallel major changes in the Earth s inhabitants development,… …
74Cogset — A freehub (above) for use with a cassette and a threaded hub (below) for use with a freewheel. On a bicycle, the cogset or cluster[1] is the set of multiple rear sprockets that attaches to the hub on the rear wheel. A cogset works with a rear… …
75Sculpture (mollusc) — Sculpture on a mollusc shell is whatever natural 3 dimensional ornamentation exists on the outer surface of a shell, apart from the basic shape of the shell itself. The term sculpture is most often applied to the shells of gastropods and bivalves …
76Petroleum seep — For other uses of seep see Seep (disambiguation) Petroleum seep near the Korňa in northern Slovakia. A petroleum seep is a place where natural liquid or gaseous hydrocarbons escape to the earth s atmosphere and surface, normally under low… …
77Charles Sanders Peirce bibliography — C. S. Peirce articles  General:    Charles Sanders Peirce Charles Sanders Peirce bibliography Philosophical:    Categories (Peirce) Semiotic elements and   classes of signs (Peirce) Pragmatic maxim • Pragmaticism… …
78Runic magic — Norse paganism Part of Norse paganism …
79Mockernut Hickory — Taxobox name = Mockernut Hickory image width = 240px image caption = regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Fagales familia = Juglandaceae genus = Carya species = C. tomentosa binomial = Carya tomentosa binomial… …
80china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …
