7-letter words starting with os
- osborne — John (James) 1929–94, English playwright.
- osceola — 1804–38, U.S. Indian leader: chief of the Seminole tribe.
- oscheal — relating to or resembling the scrotum
- oscular — pertaining to an osculum.
- osculum — a small mouthlike aperture, as of a sponge.
- oshkosh — a city in E Wisconsin, on Lake Winnebago.
- oshogbo — a city in SW Nigeria.
- osiered — covered with osiers
- osirian — the king and judge of the dead, the husband and brother of Isis, and father (or brother) of Horus, killed by Set but later resurrected (after Horus killed Set): usually depicted as a man, partly wrapped as a mummy, having a beard and wearing the atef-crown.
- oskemen — a city in NE Kazakhstan, on the Irtysh River.
- osman i — 1259–1326, Turkish sultan; founder of the Ottoman Empire
- osmanli — an Ottoman.
- osmatic — of or relating to the sense of smell.
- osmious — of or containing osmium in its lower valences.
- osmolal — relating to the concentration of a given solution
- osmolar — Of or pertaining to osmolarity.
- osmosed — Simple past tense and past participle of osmose.
- osmoses — to undergo osmosis.
- osmosis — Physical Chemistry, Cell Biology. the tendency of a fluid, usually water, to pass through a semipermeable membrane into a solution where the solvent concentration is higher, thus equalizing the concentrations of materials on either side of the membrane. the diffusion of fluids through membranes or porous partitions. Compare endosmosis, exosmosis.
- osmotic — Physical Chemistry, Cell Biology. the tendency of a fluid, usually water, to pass through a semipermeable membrane into a solution where the solvent concentration is higher, thus equalizing the concentrations of materials on either side of the membrane. the diffusion of fluids through membranes or porous partitions. Compare endosmosis, exosmosis.
- osmunda — any fern of the genus Osmunda, especially the royal fern.
- ospreys — Plural form of osprey.
- osselet — a hard nodule on the leg of a horse, especially one on the inner side of the knee or the outer side of the fetlock.
- osseous — composed of, containing, or resembling bone; bony.
- osseter — a species of Russian sturgeon
- ossetia — a region in Caucasia: divided between North Ossetia of the Russian Federation and the South Ossetian Autonomous Region of the Georgian Republic.
- ossetic — Ossetian.
- ossicle — a small bone.
- ossific — Capable of producing bone; having the power to change cartilage or other tissue into bone.
- ossuary — a place or receptacle for the bones of the dead.
- osteoid — resembling bone; bonelike.
- osteoma — a benign tumor composed of osseous tissue.
- osteria — An Italian restaurant, typically a simple or inexpensive one.
- ostiary — Also called doorkeeper, porter. Roman Catholic Church. a member of the lowest-ranking of the four minor orders. the order itself. Compare acolyte (def 2), exorcist (def 2), lector (def 2).
- ostiate — characterized by having ostia
- ostiole — Biology. a small opening or pore, especially in the fruiting body of a fungus.
- ostmark — (formerly) a cupronickel coin and monetary unit of East Germany: replaced by the Deutsche mark in 1990.
- ostosis — the formation of bone; ossification.
- ostraca — (in ancient Greece) a potsherd, especially one used as a ballot on which the name of a person voted to be ostracized was inscribed.
- ostrava — a city in N Moravia, in the NE Czech Republic.
- ostrich — a large, two-toed, swift-footed flightless bird, Struthio camelus, indigenous to Africa and Arabia, domesticated for its plumage: the largest of living birds.
- ostwald — Wilhelm [vil-helm] /ˈvɪl hɛlm/ (Show IPA), 1853–1932, German chemist: Nobel prize 1909.
On this page, we collect all 7-letter words starting with OS. It’s easy to find right word with a certain length. It is the easiest way to find 7-letter word that beginning with OS to use in Scrabble or Crossword puzzles.