12-letter words containing o, s, e, l, t
- oil deposits — reserves of petroleum found underground (or under the sea)
- oil minister — a government official responsible for the oil industry in their country
- old chestnut — old saying, cliché
- olefiant gas — ethylene (def 2).
- oligochaetes — Plural form of oligochaete.
- oliver twist — a novel (1838) by Dickens.
- omnisciently — having complete or unlimited knowledge, awareness, or understanding; perceiving all things.
- on the loose — free or released from fastening or attachment: a loose end.
- on the shelf — a thin slab of wood, metal, etc., fixed horizontally to a wall or in a frame, for supporting objects.
- on the slate — on credit
- on the tiles — on a spree, esp of drinking or debauchery
- opalescently — In an opalescent manner.
- open cluster — a comparatively young, irregularly shaped group of stars, often numbering up to several hundred, and held together by mutual gravitation; usually found along the central plane of the Milky Way and other galaxies.
- open slather — to spread or apply thickly: to slather butter on toast.
- operatorless — Without an operator (person who operates); fully automatic.
- oral society — a society that has not developed literacy
- orchestrally — In an orchestral manner.
- oscillometer — an instrument for measuring oscillations, especially those of the arterial pulse.
- oscillometry — an instrument for measuring oscillations, especially those of the arterial pulse.
- osteoblastic — a bone-forming cell.
- osteoclastic — (pathology) Of or pertaining to an osteoclast.
- osteological — Of or relating to osteology.
- osteomalacia — a condition characterized by softening of the bones with resultant pain, weakness, and bone fragility, caused by inadequate deposition of calcium or vitamin D.
- osteomalacic — a condition characterized by softening of the bones with resultant pain, weakness, and bone fragility, caused by inadequate deposition of calcium or vitamin D.
- osteoplastic — Surgery. pertaining to osteoplasty.
- otosclerosis — formation of new bone about the stapes or cochlea, resulting in hearing loss.
- out of scale — If something is out of scale with the things near it, it is too big or too small in relation to them.
- out of style — no longer fashionable
- outlet store — a shop in which a manufacturer sells its own branded goods, often at discounted prices
- outrageously — In an outrageous manner; to an outrageous degree.
- outside lane — the lane on a motorway where overtaking of other vehicles is permitted and vehicles can travel fastest
- outside line — an external telephone connection
- outside loop — a loop during which the back of the airplane is on the outer side of the curve described by the course of flight.
- outside-left — a footballer who plays on the outside left wing of the field
- overmodestly — in an extremely modest manner
- oversubtlety — the quality of being too subtle
- owen stanley — a mountain range on New Guinea in SE Papua New Guinea. Highest peak, Mt. Victoria, 13,240 feet (4036 meters).
- oyster plant — salsify.
- oyster shell — oyster's hard outer covering
- paraglossate — having paraglossae
- passionately — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- pastoralness — the quality or state of being pastoral or rural
- patent rolls — (in Britain) the register of patents issued
- pearl oyster — any of several marine bivalve mollusks of the family Pteriidae, some of which form pearls of great value, inhabiting waters of eastern Asia and off the coasts of Panama and Baja California.
- pekinologist — a person who studies the People's Republic of China
- penalty shot — a free shot at the goal defended only by the goalkeeper, awarded to an offensive player for certain defensive violations.
- penalty spot — a point within the penalty area and 12 yards (about 11 m) from the goal, from which a penalty kick may be taken
- pest control — rats, insects: extermination
- pestological — relating to pestology
- petaliferous — bearing or having petals.