12-letter words containing a, s, p, o
- epistolarian — A writer of epistles.
- epitheliomas — Plural form of epithelioma.
- ergastoplasm — endoplasm that is associated with protein synthesis
- eriskay pony — a breed of medium-sized pony, typically grey, with a dense waterproof coat. The Eriskay is the only surviving variety of the native ponies of the Western Isles of Scotland
- escape route — way out: of situation
- escapologist — An entertainer specializing in escaping from the confinement of such things as ropes, handcuffs, and chains.
- esophagotomy — (surgery) The operation of making an incision into the esophagus for the purpose of removing an obstruction.
- espagnolette — the fastening device on a French window
- espresso bar — a coffee house that specializes in espresso coffee and other coffee drinks with an espresso base
- evaporations — Plural form of evaporation.
- exasperation — A feeling of intense irritation or annoyance.
- exceptionals — Plural form of exceptional.
- exopeptidase — any proteolytic enzyme, such as erepsin, that acts on the terminal bonds in a peptide chain
- exophthalmos — Abnormal protrusion of the eyeball or eyeballs.
- exophthalmus — Alt form exophthalmos.
- expansionary — (of a policy or action) intended to result in economic or political expansion.
- expansionism — The policy of territorial or economic expansion.
- expansionist — Of or pertaining to expansionism.
- expectations — Plural form of expectation.
- expectorants — Plural form of expectorant.
- explanations — Plural form of explanation.
- explications — Plural form of explication.
- explorations — Plural form of exploration.
- expositional — Explained in clear terms, as in writing.
- expostulated — Simple past tense and past participle of expostulate.
- expostulates — Third-person singular simple present indicative form of expostulate.
- expressional — Of or pertaining to expression, either in language, the face or the arts.
- expropriates — Third-person singular simple present indicative form of expropriate.
- expugnations — Plural form of expugnation.
- exspoliation — (obsolete) spoliation.
- extrapolates — Third-person singular simple present indicative form of extrapolate.
- extropianism — Belief in, or support for, the theory of extropy.
- factory ship — a whaling ship equipped to process killed whales and to transport the oil and by-products.
- feldspathoid — Also, feldspathoidal. of or relating to a group of minerals similar in chemical composition to certain feldspars except for a lower silica content.
- feldspathose — (mineralogy) Containing feldspar.
- flash powder — powder that could be ignited to provide a bright light to take a photograph
- floor sample — an appliance, piece of furniture, or other article of merchandise that has been used for display or demonstration and is usually offered at a reduced price.
- foam plastic — a kind of light cellular plastic made by creating bubbles of gas in the liquid material and solidifying it: often used as an insulator
- fore-topmast — the spar or section of a pole mast serving as the topmast of a foremast on a ship.
- fore-topsail — a topsail set on a foremast on a ship.
- foreman-ship — a person in charge of a particular department, group of workers, etc., as in a factory or the like.
- forepleasure — the aggregate of pleasurable sensations that lead to a heightened physical or emotional response, as of those aroused in sexual intercourse that lead to an orgasm.
- foretopmasts — Plural form of foretopmast.
- foretopsails — Plural form of foretopsail.
- fort pulaski — Count Casimir [kaz-uh-meer] /ˈkæz əˌmɪər/ (Show IPA), 1748–79, Polish patriot; general in the American Revolutionary army.
- fortepianist — the player of a fortepiano
- fortran-plus — Fortran for the DAP parallel machine, implements many Fortran 90 features.
- forward pass — a pass in which the ball is thrown in the direction of advance toward the opponent's goal.
- forward post — the position held by a soldier on the forward line
- forward push — A forward push is a feature of distillation columns (= tall vessels for distillation) in which zones that allow higher contact between substances are near the top of the column.