14-letter words containing o, s, a, t
- dorsoventrally — In a dorsoventral manner.
- dos and don'ts — rules and regulations
- dot-sequential — of, relating to, or being a color television system that sends and reproduces the primary colors as dots in proper sequence on each scanned line to produce a color picture.
- doubly serrate — biserrate
- dragon's mouth — arethusa (def 1).
- dragon's teeth — conical or wedge-shaped concrete antitank obstacles protruding from the ground in rows: used in World War II
- dramatisations — Plural form of dramatisation.
- dramatizations — Plural form of dramatization.
- draughts board — A draughts board is a square board for playing draughts, with 64 equal-sized, black and white squares.
- draughtsperson — Alternative spelling of draftsperson.
- drepanocytosis — Sickle-cell anemia.
- dry-stone wall — A dry-stone wall is a wall that has been built by fitting stones together without using any cement.
- dumbarton oaks — an estate in the District of Columbia: site of conferences held to discuss proposals for creation of the United Nations, August–October, 1944.
- dunbartonshire — a historical county of W Scotland: became part of Strathclyde region in 1975; administered since 1996 by the council areas of East Dunbartonshire and West Dunbartonshire
- dutchman's log — a method of gauging a ship's speed, in which the distance between two shipboard observation stations is divided by the time elapsing between the throwing overboard of an object by the first station and the sighting of it by the second.
- east liverpool — a city in E Ohio, on the Ohio River.
- east northport — a town on NW Long Island, in SE New York.
- east palo alto — a town in W central California, on the S shore of San Francisco Bay.
- east st. louis — a city in SW Illinois, across the Mississippi River from St. Louis, Missouri.
- east-northeast — the point on a compass midway between east and northeast.
- east-southeast — the point on a compass midway between east and southeast.
- eastern europe — geography: Russia, Baltic Republics, etc.
- easternization — (usually initial capital letter) to influence with ideas, customs, etc., characteristic of eastern Asia.
- eco-capitalism — the theory or practice of a free-market economy in which natural resources are regarded as capital and profits are partially dependent on environmental protection and sustainability
- ecocatastrophe — a disaster caused by changes in the environment.
- ectocommensals — Plural form of ectocommensal.
- ectrodactylism — the congenital absence of part or all of one or more fingers or toes.
- educationalist — a specialist in the theory and methods of education.
- electromagnets — Plural form of electromagnet.
- electrostatics — The study of stationary electric charges or fields as opposed to electric currents.
- elevator music — recorded popular music played in the background in public places such as elevators, variously regarded as being bland, monotonous, etc.
- elevator shaft — passage for a lift
- empty calories — calories that are present in foods that have very little nutritive value: e.g. in alcohol or refined sugar
- emulsification — The process by which an emulsion is formed.
- enantiostylous — in the manner of enantiostyly
- encapsulations — Plural form of encapsulation.
- encouragements — Plural form of encouragement.
- encyclopaedist — Alternative spelling of encyclopedist.
- endoparasitism — Behaviour of endoparasites.
- endopeptidases — Plural form of endopeptidase.
- enterogastrone — a hormone liberated by the upper intestinal mucosa when stimulated by fat: reduces peristalsis and secretion in the stomach
- enteropneustal — relating to enteropneusts
- epistolography — the art, or practice, of letter-writing
- epithelisation — Alternative form of epithelization.
- epitrachelions — Plural form of epitrachelion.
- ergastoplasmic — relating to endoplasm that is associated with protein synthesis
- erythroblastic — Relating to erythroblasts.
- escape routine — a means of leaving a computer-program sequence before its end, in order to commence another sequence
- eschatological — Pertaining to eschatology.
- escrow account — account held on sb else's behalf