circumscribe a circle
21surround — surround, *environ, encircle, circle, encompass, compass, hem, gird, girdle, ring can mean to close in or as if in a ring about something. Surround is a general term without specific connotations; it implies enclosure as if by a circle or a ring… …
22The Method of Mechanical Theorems — is a work by Archimedes which contains the first attested explicit use of infinitesimals.[1] The work was originally thought to be lost, but was rediscovered in the celebrated Archimedes Palimpsest. The palimpsest includes Archimedes account of… …
23Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
24surround — Synonyms and related words: ambiance, ambience, atmosphere, begird, beleaguer, beset, besiege, blockade, bound, box, box in, cage, carry, case, chamber, circle, circle in, circuit, circuiteer, circulate, circumambulate, circummigrate,… …
25Pappus of Alexandria — (Greek polytonic|Πάππος ὁ Ἀλεξανδρεύς) (c. 290 ndash; c. 350) was one of the last great Greek mathematicians of antiquity, known for his Synagoge or Collection (c. 340), and for Pappus s Theorem in projective geometry. Nothing is known of his… …
26encircle — I (New American Roget s College Thesaurus) v. t. environ, surround, embrace, encompass, enclose; span, ring, loop, girdle. See environment, circumscription. II (Roget s IV) v. Syn. encompass, circle, girdle, enclose; see circle , surround 1 , 2 …
27surround — I (New American Roget s College Thesaurus) v. t. encompass, enclose, hem in, encircle; ring; circum scribe; environ; invest, besiege; embrace. See circumscription, environment. II (Roget s IV) v. 1. [To be on all sides] Syn. girdle, circle,… …
28round — adj 1. circular, cycloid, disklike, discoid; ring shaped, ringlike, ringed, hoop, hooplike, hooped, rotiform, annular; cylindrical, tubular; spherical, spheroidal, spheroid, spheric, spheral, spheroidic, ball shaped, globelike, globe shaped,… …
29limit# — limit n Limit, bound, confine, end, term are comparable when they mean an actual or imaginary line beyond which a thing does not or cannot extend. Limit is the most inclusive of these terms because it carries no necessary implication of number,… …
30Inscribed figure — In geometry, an inscribed planar shape or solid is one that is enclosed by and fits snugly inside another geometric shape or solid. Specifically, there must be no object similar to the inscribed object but larger and also enclosed by the outer… …
