13-letter words containing o, g, d, a
- now and again — at the present time or moment: You are now using a dictionary.
- oceanic ridge — any section of the narrow, largely continuous range of submarine mountains that extends into all the major oceans and at which new oceanic lithosphere is created by the rise of magma from the earth's interior
- oil hardening — to quench (steel) in a bath of oil.
- old and young — people of all ages
- old bulgarian — the Bulgarian language of the Middle Ages.
- old norwegian — the language of Norway as spoken and written from the middle of the 12th to the end of the 14th centuries.
- old stone age — the Paleolithic period.
- olduvai gorge — a gorge in Tanzania in which is located a site containing Australopithecine and human skeletal and cultural remains.
- on your guard — If you are on your guard or on guard, you are being very careful because you think a situation might become difficult or dangerous.
- onondaga lake — salt lake northwest of Syracuse, N.Y.: c. 5 sq mi (13 sq km)
- optical wedge — a wedge-shaped filter whose transmittance decreases from one end to the other: used as an exposure control device in sensitometry.
- orchard grass — a weedy grass, Dactylis glomerata, often grown for pastures.
- ordinary gain — An ordinary gain is a gain in the course of normal business.
- organ grinder — an itinerant street musician who earns a living by playing a hand organ or hurdy-gurdy.
- organ-builder — a maker of organs
- organ-grinder — an itinerant street musician who earns a living by playing a hand organ or hurdy-gurdy.
- orthodiagonal — the axis in a crystal
- out of danger — no longer at risk
- outdistancing — Present participle of outdistance.
- outgeneralled — Simple past tense and past participle of outgeneral.
- outstandingly — prominent; conspicuous; striking: an outstanding example of courage.
- over-standing — overreach (def 13).
- overdemanding — excessively demanding
- overdiagnosed — Simple past tense and past participle of overdiagnose.
- overdiagnosis — excessive diagnosis of a disease
- overleveraged — (of a business organization) having an excessively high ratio of debt capital to equity capital
- overpedalling — the overuse of the piano's pedals
- paddling pool — A paddling pool is a shallow artificial pool for children to paddle in.
- paleopedology — the branch of pedology dealing with the soils of past geologic ages.
- parade ground — A parade ground is an area of ground where soldiers practise marching and have parades.
- parotid gland — Also called parotid gland. a salivary gland situated at the base of each ear.
- pearl molding — a molding having the form of a row of pearls.
- pedagogically — of or relating to a pedagogue or pedagogy.
- peptidoglycan — a polymer, consisting of polysaccharide and peptide chains, responsible for the structure of the cell wall of bacteria
- pham van dong — 1906–2000, Vietnamese political leader: prime minister of North Vietnam 1955–76 and of unified Vietnam 1976–86.
- phong shading — (graphics) A model of how light is reflected from surfaces used extensively in three dimensional graphics to generate visually realistic images.
- phrygian mode — an authentic church mode represented on the white keys of a keyboard instrument by an ascending scale from E to E.
- pidginization — to develop (a language) into a pidgin.
- plant kingdom — the plants of the world collectively.
- plough monday — the first Monday after Epiphany, which in N and E England used to be celebrated with a procession of ploughmen drawing a plough from house to house
- point de gaze — a needlepoint lace in which delicate floral designs are sewn onto a net ground.
- ponta delgada — a seaport on SW São Miguel island, in the E Azores.
- post-graduate — of, pertaining to, characteristic of, or consisting of post-graduates: a postgraduate seminar.
- powder charge — propellant (def 2).
- power loading — the act of a person or thing that loads.
- pre-organized — to form as or into a whole consisting of interdependent or coordinated parts, especially for united action: to organize a committee.
- prediagnostic — of, relating to, or used in diagnosis.
- predominating — to be the stronger or leading element or force.
- preprogrammed — to program in advance: to preprogram a manufacturing process.
- product range — variety of merchandise within a brand