English noun: os |
| 1. | os (body) a mouth or mouthlike opening |
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| Broader (hypernym) | opening, orifice, porta |
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| 2. | Os (substance) a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known |
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| Synonyms | atomic number 76, osmium |
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| Broader (hypernym) | metal, metallic element |
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| 3. | OS (communication) (computer science) software that controls the execution of computer programs and may provide various services |
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| Synonyms | operating system |
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| Broader (hypernym) | computer software, package, software, software package, software program, software system |
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| Narrower (hyponym) | disk operating system, DOS, UNIX, UNIX operating system, UNIX system, Windows |
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| Part holonym | executive program, supervisor, supervisory program |
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| Part meronym | platform |
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| Domain category | computer science, computing |
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| 4. | OS (body) the left eye |
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| Synonyms | oculus sinister |
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| Broader (hypernym) | eye, oculus, optic |
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| 5. | os (body) rigid connective tissue that makes up the skeleton of vertebrates |
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| Synonyms | bone |
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| Broader (hypernym) | connective tissue |
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| Narrower (hyponym) | anklebone, arcus zygomaticus, astragal, astragalus, bare bone, bonelet, braincase, brainpan, breastbone, calcaneus, calvaria, cannon bone, carpal, carpal bone, cartilage bone, centrum, cheekbone, clavicle, coccyx, collarbone, corpus sternum, costa, cranium, cuboid bone, dentin, dentine, ethmoid, ethmoid bone, fetter bone, fishbone, furcula, gladiolus, heelbone, hipbone, hyoid, hyoid bone, ilium, innominate bone, ischial bone, ischium, jaw, jugal bone, lacrimal bone, long bone, malar, malar bone, manubrium, marrowbone, membrane bone, metacarpal, metacarpal bone, metatarsal, modiolus, nasal, nasal bone, occiput, os breve, os hyoideum, os ischii, os longum, os nasale, os palatinum, os pubis, os sesamoideum, os sphenoidale, os tarsi fibulare, os temporale, os zygomaticum, ossicle, ossiculum, palatine, palatine bone, pastern, phalanx, pubic bone, pubis, ramus, rib, round bone, sacrum, scapula, sesamoid, sesamoid bone, short bone, shoulder blade, shoulder bone, sinciput, skull, skullcap, sphenoid, sphenoid bone, splint bone, sternum, sutural bone, tail bone, talus, tarsal, tarsal bone, temporal bone, tooth, turbinal, turbinate, turbinate bone, tympanic bone, vertebra, vomer, Wormian bone, wrist bone, xiphoid process, zygoma, zygomatic, zygomatic arch, zygomatic bone |
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| Part holonym | bone cell, bone marrow, condyle, coronoid process, ground substance, intercellular substance, lamella, marrow, matrix, processus coronoideus, socket |
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| Part meronym | endoskeleton |
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| Substance holonym | bone, collagen, osseous tissue |
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| Substance meronym | horn |
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