Sphenoid — Sphe noid, a. [Gr. ???; sfh n a wedge + e i^dos form: cf. F. sph[ e]no[ i]de.] 1. Wedge shaped; as, a sphenoid crystal. [1913 Webster] 2. (Anat.) Of or pertaining to the sphenoid bone. [1913 Webster] {Sphenoid bone} (Anat.), an irregularly shaped … The Collaborative International Dictionary of English
Sphenoid — Sphe noid, n. 1. (Crystallog.) A wedge shaped crystal bounded by four equal isosceles triangles. It is the hemihedral form of a square pyramid. [1913 Webster] 2. (Anat.) The sphenoid bone. [1913 Webster] … The Collaborative International Dictionary of English
sphenoid — [sfē′noid΄] adj. [ModL sphenoides < Gr sphēnoeides: see SPHENE & OID] 1. wedge shaped 2. Anat. designating or of the wedge shaped compound bones of the skull: see SKULL: Also sphenoidal n. 1. the sphenoid bone … English World dictionary
Sphenoīd — Sphenoīd, vierflächige Kristallgestalt, Hemiëder der quadratischen oder rhombischen Pyramide; vgl. Kristall, S. 705 … Meyers Großes Konversations-Lexikon
Sphenoid — Sphenoīd, hemiëdrische Form des tetragonalen und rhombischen Kristallsystems … Kleines Konversations-Lexikon
Sphenoid — A bone at the base of the skull that is of a most irregular shape. The sphenoid bone consists of a central portion, (the body of the sphenoid) and six processes: two greater wings, two lesser wings and two pterygoid processes. The sphenoid bone… … Medical dictionary
sphenoid — adj. & n. adj. 1 wedge shaped. 2 of or relating to the sphenoid bone. n. (in full sphenoid bone) a large compound bone forming the base of the cranium behind the eyes. Derivatives: sphenoidal adj. Etymology: mod.L sphenoides f. Gk sphenoeides f.… … Useful english dictionary
sphenoid — I. adjective or sphenoidal Etymology: New Latin sphenoides, from Greek sphēnoeidēs wedge shaped, from sphēn wedge Date: 1732 1. of, relating to, or being a winged compound bone of the base of the cranium 2. (usually sphenoidal) having a wedged… … New Collegiate Dictionary
Sphenoid — Als Sphenoid (zu altgriech. σφήν „Keil“) bezeichnet man: in der Medizin umgangssprachlich das Keilbein (Os sphenoidale) in der Kristallographie eine keilähnliche Form aus zwei Flächen, siehe Dieder in der Geometrie (ungenau) ein Disphenoid … Deutsch Wikipedia
sphenoid — 1. adjective Wedge shaped. 2. noun The sphenoid bone … Wiktionary