os
| 1. |
(noun) a mouth or mouthlike opening |
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Related Words: opening, orifice |
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| 2. |
(noun) rigid connective tissue that makes up the skeleton of vertebrates |
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Synonyms: bone |
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Related Words: anklebone, arcus zygomaticus, astragal, astragalus, bonelet, braincase, brainpan, breastbone, calcaneus, calvaria, cannon bone, carpal, carpal bone, cartilage bone, centrum, cheekbone, clavicle, coccyx, collarbone, connective tissue, corpus sternum, costa, cranium, cuboid bone, dentin, dentine, fetter bone, fishbone, furcula, gladiolus, heelbone, hipbone, hyoid, hyoid bone, ilium, innominate bone, ischial bone, ischium, jawbone, jowl, jugal bone, long bone, lower jaw, mala, malar bone, mandible, mandibula, manubrium, marrowbone, maxilla, membrane bone, metacarpal, metacarpal bone, metatarsal, 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, rib, round bone, sacrum, scapula, sesamoid bone, short bone, shoulder blade, shoulder bone, sinciput, skull, skullcap, sphenoid bone, splint bone, sternum, submaxilla, tail bone, talus, tarsal, tarsal bone, temporal bone, tooth, turbinal, turbinate, turbinate bone, tympanic bone, upper jaw, upper jawbone, vertebra, wrist bone, zygoma, zygomatic arch, zygomatic bone |
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| 3. |
(noun) (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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Related Words: DOS, UNIX, UNIX operating system, UNIX system, disk operating system, software, software system |
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| 4. |
(noun) a hard brittle blue-gray 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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Related Words: metal, metallic element |
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