Triquetrum — de Copérnico El triquetrum del latín tri ( tres ) y quetrum ( esquinas ) era el nombre medieval de un antiguo instrumento astronómico descrito por Ptolomeo en el Almagesto empleado para determinar la altura de cuerpos celestes. Ptolomeo lo llama… … Wikipedia Español
Triquetrum — may refer to: * triquetrum (astronomy), an ancient astronomical instrument * The triquetral bone in the human wrist … Wikipedia
Triquetrum — Tri*que trum, n.; pl. {Triquetra}. [NL.] (Anat.) One of the bones of the carpus; the cuneiform. See {Cuneiform} (b) . [1913 Webster] … The Collaborative International Dictionary of English
Triquetrum — (lat.), parallaktisches Lineal, auch Ptolemäische Regel, eins der ersten astron. Instrumente zum Messen der Zenitdistanz von Gestirnen … Kleines Konversations-Lexikon
triquetrum — A bone on the medial (ulnar) side of the proximal row of the carpus, articulating with the lunate, pisiform, and hamate. SYN: os t. [TA], cubital bone, os pyramidale, os triangulare, pyramidal bone … Medical dictionary
Triquetrum (astronomy) — The triquetrum (from the Latin word for triangular ) was the medieval name for an ancient astronomical instrument first described by Ptolemy in the Almagest (V. 12). Also known as Parallactic Rulers , it was used for determining altitudes of… … Wikipedia
triquetrum — tri·que·trum (trī kwēʹtrəm, kwĕtʹrəm) n. pl. tri·que·tra ( kwēʹtrə, kwĕtʹrə) A bone of the wrist in the proximal row of carpal bones. [Latin, neuter of triquetrus, three cornered. See triquetrous.] tri·queʹtral ( trəl) adj. * * * … Universalium
triquetrum — noun a) The triquetral bone b) An astronomical instrument … Wiktionary
Triquetrum — Tri|que|trum* [auch ... kve:...] das; s, ...tren <zu lat. triquetrus »dreieckig«> bis ins 17. Jh. gebräuchliches Gerät für astronomische Höhenmessungen … Das große Fremdwörterbuch
triquetrum — tri·quetrum … English syllables