15-letter words containing p, o, r, t, l
- depletion layer — a region at the interface between dissimilar zones of conductivity in a semiconductor, in which there are few charge carriers
- dermatoglyphics — the lines forming a skin pattern, esp on the palms of the hands and soles of the feet
- descriptionless — Without a description.
- dessertspoonful — You can refer to an amount of food resting on a dessertspoon as a dessertspoonful of food.
- diaheliotropism — the tendency among plants to respond to the light of the sun by orienting their leaves perpendicular to the sun's rays, such that the upper surface of the leaves receives maximum light
- diastrophically — in a diastrophic fashion
- direct coupling — conductive coupling between electronic circuits, as opposed to inductive or capacitative coupling
- disproportional — not in proportion; disproportionate.
- dolphin striker — a short vertical strut between the bowsprit and a rope or cable (martingale) from the end of the jib boom to the stem or bows, used for maintaining tension and preventing upward movement of the jib boom
- double printing — the exposure of the same positive photographic emulsion to two or more negatives, resulting in the superimposition of multiple images after development
- doublet pattern — a pattern, as on a fabric, in which a figure or group is duplicated in reverse order on the opposite side of a centerline.
- dropping bottle — a bottle with correlated lengthwise grooves in the neck and in the stopper, permitting a controlled flow of the liquid contents in the form of drops.
- drying-up cloth — a tea towel
- edriophthalmian — edriophthalmous
- edriophthalmous — (of certain crustaceans) having stalkless eyes
- egyptian clover — a Mediterranean clover, Trifolium alexandrinum, grown as a forage crop and to improve the soil in the southwestern US and the Nile valley
- electra complex — the sexual attachment of a female child to her father
- electra paradox — the supposed paradox that one may know something to be true of an object under one description but not another, as when Electra knew that Orestes was her brother but not that the man before her was her brother although he was Orestes. This shows the predicate "knows" to be intensional, that Electra's knowledge here is de dicto, and that the statement of it yields an opaque context
- electrodeposits — Third-person singular simple present indicative form of electrodeposit.
- electromyograph — A device used in electromyography to generate electromyograms.
- electron optics — the study and use of beams of electrons and of their deflection and focusing by electric and magnetic fields
- electrophoreses — Plural form of electrophoresis.
- electrophoresis — The movement of charged particles in a fluid or gel under the influence of an electric field.
- electrophoretic — Of, pertaining to, or produced by electrophoresis.
- electropositive — Electrically positive.
- electropuncture — a therapy in which a small electric current is passed through the body via electrodes placed on the skin
- electroreceptor — A cell or organ responsible for electroreception.
- eleutherophobia — the fear of freedom
- eleutherophobic — afraid of freedom
- evaporated milk — concentrated dairy product
- fair employment — the policy or practice of employing people on the basis of their capabilities only, without regard to race, color, religion, sex, national origin, age, or disability.
- file descriptor — (programming, operating system) An integer that identifies an open file within a process. This number is obtained as a result of opening a file. Operations which read, write, or close a file would take the file descriptor as an input parameter. In many operating system implementations, file descriptors are small integers which index a table of open files. In Unix, file descriptors 0, 1 and 2 correspond to the standard input, standard output and standard error files respectively. See file descriptor leak.
- flapping router — (networking) A router that transmits routing updates alternately advertising a destination network first via one route, then via a different route. Flapping routers are identified on more advanced protocol analysers such as the Network General (TM) Sniffer.
- flow of spirits — natural happiness
- flowering plant — a plant that produces flowers, fruit, and seeds; angiosperm.
- fluorophosphate — a salt or ester of a fluorophosphoric acid.
- foolscap quarto — a book size, 63⁄4 by 81⁄2 inches (foolscap quarto)
- football player — sportsperson: plays football
- fore-topgallant — being a sail, yard, or rigging belonging to a fore-topgallant mast.
- fourth republic — the republic established in France in 1945 and replaced by the Fifth Republic in 1958.
- free soil party — a former U.S. political party (1848–56) that opposed the extension of slavery in the Territories not yet admitted to statehood.
- fusospirochetal — Relating to fusospirochetes.
- gaming platform — a computer system specially made for playing video games; a console: The new gaming platforms have much better graphics resolution than previous generation consoles.
- gender politics — debate about the roles and relations of men and women
- geneva protocol — the agreement in 1925 to ban the use of asphyxiating, poisonous, or other gases in war. It does not ban the development or manufacture of such gases
- geomorphologist — A geologist whose speciality is geomorphology.
- geostrophically — By means of, or in terms of, geostrophy.
- glazier's point — a small, pointed piece of sheet metal, for holding a pane of glass in a sash until the putty has hardened.
- gold prospector — a person who searches for the natural occurrence of gold
- golgi apparatus — an organelle, consisting of layers of flattened sacs, that takes up and processes secretory and synthetic products from the endoplasmic reticulum and then either releases the finished products into various parts of the cell cytoplasm or secretes them to the outside of the cell.