15-letter words containing p, r, o, t, l, g
- algaroth powder — antimony oxychloride.
- analog computer — a mechanical, electrical, or electronic computer that performs arithmetical operations by using some variable physical quantity, such as mechanical movement or voltage, to represent numbers
- anthropobiology — the biological study of the human species
- anthropological — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
- anthropologists — Plural form of anthropologist.
- approach lights — lights on the runway that guide planes coming in to land
- approval rating — approval of a politician as shown by opinion polls
- autolithography — a lithographic technique by which the artist draws or traces with a brush and pen directly on a stone or plate.
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- blotch printing — a fabric-printing method in which the ground color is transferred from the cylinder and the motif retains the original hue of the cloth.
- compleat angler — a book on fishing (1653) by Izaak Walton.
- control program — (operating system) (CP) The component of IBM's Virtual Machine (VM) that provides "guest support" for operating systems that run on IBM mainframe compatible processors. Cp does this by providing a seamless emulation of privileged functions in the problem program environment.
- copyright block — a block of four or more U.S. stamps that includes, in the selvage of the sheet, the copyright mark of the U.S. Postal Service.
- counterplotting — Present participle of counterplot.
- courting couple — a pair of lovers
- crossing patrol — a person who holds up the traffic so that school children can cross the road safely
- cryptographical — the science or study of the techniques of secret writing, especially code and cipher systems, methods, and the like. Compare cryptanalysis (def 2).
- cryptozoologist — an expert in cryptozoology
- crystallography — the science concerned with the formation, properties, and structure of crystals
- dermatoglyphics — the lines forming a skin pattern, esp on the palms of the hands and soles of the feet
- direct coupling — conductive coupling between electronic circuits, as opposed to inductive or capacitative coupling
- double printing — the exposure of the same positive photographic emulsion to two or more negatives, resulting in the superimposition of multiple images after development
- 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
- 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
- electromyograph — A device used in electromyography to generate electromyograms.
- 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.
- flowering plant — a plant that produces flowers, fruit, and seeds; angiosperm.
- fore-topgallant — being a sail, yard, or rigging belonging to a fore-topgallant mast.
- 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.
- 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.
- grand old party — G.O.P.
- halting problem — The problem of determining in advance whether a particular program or algorithm will terminate or run forever. The halting problem is the canonical example of a provably unsolvable problem. Obviously any attempt to answer the question by actually executing the algorithm or simulating each step of its execution will only give an answer if the algorithm under consideration does terminate, otherwise the algorithm attempting to answer the question will itself run forever. Some special cases of the halting problem are partially solvable given sufficient resources. For example, if it is possible to record the complete state of the execution of the algorithm at each step and the current state is ever identical to some previous state then the algorithm is in a loop. This might require an arbitrary amount of storage however. Alternatively, if there are at most N possible different states then the algorithm can run for at most N steps without looping. A program analysis called termination analysis attempts to answer this question for limited kinds of input algorithm.
- histomorphology — histology.
- holding pattern — a traffic pattern for aircraft at a specified location (holding point) where they are ordered to remain until permitted to land or proceed.
- hunting leopard — the cheetah.
- hypergalactosis — an abnormally large secretion of milk.
- leapfrog attack — Use of userid and password information obtained illicitly from one host (e.g. downloading a file of account IDs and passwords, tapping TELNET, etc.) to compromise another host. Also, the act of TELNETting through one or more hosts in order to confuse a trace (a standard cracker procedure).
- lepidopterology — the branch of zoology dealing with butterflies and moths.
- leptosporangium — (botany) A sporangium formed from a single epidermal cell.
- linear topology — (theory) A linear topology on a left A-module M is a topology on M that is invariant under translations and admits a fundamental system of neighborhood of 0 that consists of submodules of M. If there is such a topology, M is said to be linearly topologized. If A is given a discrete topology, then M becomes a topological A-module with respect to a linear topology.
- long parliament — the Parliament that assembled November 3, 1640, was expelled by Cromwell in 1653, reconvened in 1659, and was dissolved in 1660.
- malacopterygian — belonging or pertaining to the Malacopterygii (Malacopteri), a group of soft-finned, teleost fishes.
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