angular opening of cone
21Arthrosis — An arthrosis is a joint, an area where two bones are attached for the purpose of motion of body parts. An arthrosis (joint) is usually formed of fibrous connective tissue and cartilage. Joints are grouped according to their motion: a ball and… …
22fungus — fungic /fun jik/, adj. funguslike, adj. /fung geuhs/, n., pl. fungi /fun juy, fung guy/, funguses, adj. n. 1. any of a diverse group of eukaryotic single celled or multinucleate organisms that live by decomposing and absorbing the organic… …
23motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
24Speed of light — The speed of light in the vacuum of free space is an important physical constant usually denoted by the letter c . [NIST and BIPM practice is to use c 0 for the speed of light in vacuum in accord with international standard ISO 31 5. See… …
25Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
26Spotted hyena — Temporal range: Late Pliocene – Recent Ngorongoro Park, Tanzania Conservation status …
27Cyathus striatus — Scientific classification Kingdom …
28wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …
29Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …
30At a round rate — Round Round, a. [OF. roond, roont, reond, F. rond, fr. L. rotundus, fr. rota wheel. See {Rotary}, and cf. {Rotund}, {roundel}, {Rundlet}.] 1. Having every portion of the surface or of the circumference equally distant from the center; spherical;… …
