19-letter words containing o, r, a, e
- notre-dame-de-paris — Also called Notre Dame de Paris [French naw-truh dam duh pa-ree] /French nɔ trə dam də paˈri/ (Show IPA). a famous early gothic cathedral in Paris (started 1163).
- noughts and crosses — tick-tack-toe (def 1).
- noughts-and-crosses — tick-tack-toe (def 1).
- nuclear power plant — factory that generates atomic energy
- nuits-saint-georges — a fine red wine produced near the town of Nuits-Saint-Georges in Burgundy
- o tempora! o mores! — oh the times! oh the customs!: an exclamation at the evil of them
- oak-leaved geranium — a geranium, Pelargonium quercifolium, of southern Africa, having oaklike leaves with purple veins and sparse clusters of purple flowers with darker markings.
- observation balloon — a balloon that is used for gathering information and reconnaissance purposes and spotting aircraft
- oceanus procellarum — (Ocean of Storms) the largest dark plain on the face of the moon, in the second and third quadrants: about 2 million square miles (5.2 million sq. km).
- of one's own accord — to be in agreement or harmony; agree.
- okeechobee waterway — a waterway in S Florida from the Atlantic Ocean to the Gulf of Mexico. 155 miles (244 km) long.
- old english pattern — a spoon pattern having a stem curving backward at the end.
- olive-backed thrush — Swainson's thrush.
- on (or off) camera — so positioned as to be within (or out of) the camera's field of view
- on first name terms — If two people are on first-name terms, they know each other well enough to call each other by their first names, rather than having to use a more formal title.
- on no consideration — for no reason whatsoever; never
- on someone's hammer — persistently demanding and critical of someone
- on the baker's list — in good health
- on the razor's edge — a sharp-edged instrument used especially for shaving the face or trimming the hair.
- on-the-job training — apprenticeship, learning by doing
- one after the other — one at a time
- one way and another — on balance
- one's pride and joy — Someone or something that is your pride and joy is very important to you and makes you feel very happy.
- open-hearth furnace — a process of steelmaking in which the charge is laid in a furnace (open-hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
- open-hearth process — a process of steelmaking in which the charge is laid in a furnace (open-hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
- operational testing — (testing) A US DoD term for testing performed by the end-user on software in its normal operating environment.
- operations director — a director or senior manager who oversees the efficiency of business operations
- operations research — the analysis, usually involving mathematical treatment, of a process, problem, or operation to determine its purpose and effectiveness and to gain maximum efficiency.
- optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- optical mark reader — (hardware) (OMR) A special scanning device that can read carefully placed pencil marks on specially designed documents. OMR is frequenty used in forms, questionnaires, and answer-sheets.
- oral interpretation — the study and practice of vocally expressing the meaning of written compositions, especially of literature.
- orange flower water — a distilled infusion of orange blossom, used in cakes, confectionery, etc
- order of the garter — the highest order of British knighthood, instituted by Edward III about 1348.
- ordnance survey map — An Ordnance Survey map is a detailed map produced by the British or Irish government map-making organization.
- oriental fruit moth — a moth, Grapholitha molesta, introduced into the U.S. from Asia, the larvae of which infest and feed on the twigs and fruits of peach, plum, and related trees.
- orthopaedic surgeon — a surgeon specializing in the branch of surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
- orthopaedic surgery — surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
- out of the ordinary — of no special quality or interest; commonplace; unexceptional: One novel is brilliant, the other is decidedly ordinary; an ordinary person.
- over sb's dead body — You can say over my dead body to emphasize that you feel very strongly that something should not happen, and that you will do everything you can to prevent it.
- over someone's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- over-centralization — the act or fact of centralizing; fact of being centralized.
- over-commercialized — to make commercial in character, methods, or spirit.
- over-interpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
- over-sentimentality — the quality or state of being sentimental or excessively sentimental.
- overhead projection — the projection (using an overhead projector) of an enlarged image of a transparency onto a surface above and behind the person using it
- overplay one's hand — If you say that someone is overplaying something such as a problem, you mean that they are making it seem more important than it really is.
- oxidation-reduction — a chemical reaction between two substances in which one substance is oxidized and the other reduced.
- oxyacetylene burner — a blowpipe for cutting or welding metals at high temperatures
- paleoanthropologist — the study of the origins and predecessors of the present human species, using fossils and other remains.
- palomar observatory — an astronomical observatory situated on Palomar Mountain in S California, having a 200-inch (508-cm) reflecting telescope and a 48-inch (122-cm) Schmidt telescope.