geo cyclic machine

A machine for exhibit ing the simple proce es by which day and night and the seasons are produced. ģē-ōde, s. [Fr., from Gr. gaiōdēs =earthy, from ge, gaia the earth.] Mineralogy and Geology: 1. A term first introduced by German mineralogists to designate a hollow nodule of any mineral substance, often lined with crystals. Thus, at Oberstein, in Saxony, hollow balls of agate were found lined with crystals of quartz or amethyst. Geodes are found more or le in all volcanic rocks; they are occasionally of large size, at other times only of small dimensions. 2. The cavity in such a natural ball. gě-ở-đěph-a-ga, s. pl. [Pref. geo- (q. v.), and Gr. adephagos =gluttonous, greedy.] Entom.: One of the two leading tribes of carnivorous beetles, comprehending those which live on land as distinguished from Hydradephaga, those inhabiting water. It contains the two families of Car abide and Cicindelide (q. v.). *ge-o-de-şi-an, s. [English geodesy ; -an.] One versed in geodesy. gě-ô-děs-ic, gě-ô-des-ic-al, a . [English geod es(y); -ic; -al.] The same as GEODETIC (q. v.). *ge-od-ě-şist, s. [Eng. geodes (y); -ist.] A geodes i an. gě-od-ě-sỹ, s . [Gr. geōdaisia , from ge =the earth, and daiō -to divide; Fr. géodésie .] That branch of applied mathematics which determines, by means of observations and measurements, the figures and areas of large portions of the earth's surface, or the general figure and dimensions of the earth; IMG:content-0417.png:[blocks in formation] earth. 2. Of a place on the earth's surface : The angle included between the radius of the earth through the place and the plane of the equator. It is contradistinguished from geographical latitude, which always exceeds it slightly in amount.