|
Definition of OS
1. Noun. A mouth or mouthlike opening.
2. Noun. A hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known.
3. Noun. (computer science) software that controls the execution of computer programs and may provide various services.
Group relationships: Platform
Category relationships: Computer Science, Computing
Generic synonyms: Computer Software, Package, Software, Software Package, Software Program, Software System
Specialized synonyms: Disk Operating System, Dos, Unix, Unix Operating System, Unix System, Windows
Terms within: Executive Program, Supervisor, Supervisory Program
4. Noun. The left eye.
5. Noun. Rigid connective tissue that makes up the skeleton of vertebrates.
Substance meronyms: Horn
Specialized synonyms: Furcula, Splint Bone, Fetter Bone, Pastern, Cannon Bone, Fishbone, Anklebone, Astragal, Astragalus, Talus, Bare Bone, Cuboid Bone, Carpal, Carpal Bone, Wrist Bone, Cartilage Bone, Centrum, Cheekbone, Jugal Bone, Malar, Malar Bone, Os Zygomaticum, Zygomatic, Zygomatic Bone, Clavicle, Collarbone, Coccyx, Tail Bone, Dentin, Dentine, Ethmoid, Ethmoid Bone, Calcaneus, Heelbone, Os Tarsi Fibulare, Hipbone, Innominate Bone, Hyoid, Hyoid Bone, Os Hyoideum, Ilium, Ischial Bone, Ischium, Os Ischii, Long Bone, Os Longum, Ramus, Membrane Bone, Metacarpal, Metacarpal Bone, Metatarsal, Nasal, Nasal Bone, Os Nasale, Bonelet, Ossicle, Ossiculum, Os Palatinum, Palatine, Palatine Bone, Phalanx, Os Pubis, Pubic Bone, Pubis, Costa, Rib, Round Bone, Sacrum, Scapula, Shoulder Blade, Shoulder Bone, Os Sesamoideum, Sesamoid, Sesamoid Bone, Os Breve, Short Bone, Os Sphenoidale, Sphenoid, Sphenoid Bone, Breastbone, Sternum, Corpus Sternum, Gladiolus, Manubrium, Xiphoid Process, Tarsal, Tarsal Bone, Os Temporale, Temporal Bone, Tooth, Turbinal, Turbinate, Turbinate Bone, Tympanic Bone, Vertebra, Arcus Zygomaticus, Zygoma, Zygomatic Arch, Modiolus, Lacrimal Bone, Skull, Calvaria, Skullcap, Braincase, Brainpan, Cranium, Occiput, Sinciput, Jaw, Vomer, Sutural Bone, Wormian Bone, Marrowbone
Terms within: Socket, Bone Marrow, Marrow, Lamella, Bone Cell, Condyle, Coronoid Process, Processus Coronoideus, Ground Substance, Intercellular Substance, Matrix
Generic synonyms: Connective Tissue
Terms within: Collagen, Bone, Osseous Tissue
Group relationships: Endoskeleton
Derivative terms: Bonelet, Boney, Bony, Bony
Definition of OS
1. n. A bone.
2. n. A mouth; an opening; an entrance.
3. n. One of the ridges of sand or gravel found in Sweden, etc., supposed by some to be of marine origin, but probably formed by subglacial waters. The osar are similar to the kames of Scotland and the eschars of Ireland. See Eschar.
Definition of OS
1. Initialism. Ordnance Survey ¹
2. Initialism. (software) operating system ¹
3. Initialism. oculus sinister — left eye ¹
4. Initialism. outsize ¹
5. Initialism. Old Style; a term used in English language historical studies to indicate that a date conforms to the Julian calendar instead of the modern Gregorian calendar ¹
6. Noun. (U.K.) an Ordnance Survey map. ¹
7. Noun. (rare medicine) Bone. ¹
8. Noun. (rare) A mouth; an opening. ¹
9. Noun. In particular, either end of the cervix, internal (to the uterus) or external (to the vagina). ¹
¹ Source: wiktionary.com
Definition of OS
1. an orifice [n OSAR] / a bone [n OSSA] - See also: orifice
Medical Definition of OS
1.
Origin: Sw. As ridge, chain of hills, pl. Asar.