15-letter words containing a, l, p, h, g, r
- algaroth powder — antimony oxychloride.
- alpha geminorum — Castor
- andrographolide — (organic compound) A bitter labdane diterpenoid that is the main bioactive component of the medicinal plant Andrographis paniculata, effective against certain cancers.
- 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
- autolithography — a lithographic technique by which the artist draws or traces with a brush and pen directly on a stone or plate.
- battleship gray — a subdued bluish gray.
- bibliographical — a complete or selective list of works compiled upon some common principle, as authorship, subject, place of publication, or printer.
- biobibliography — a bibliography containing biographical sketches of the authors listed.
- breaking plough — a plough with a long shallow mouldboard for turning virgin land or sod land
- cholangiography — radiographic examination of the bile ducts after the introduction into them of a contrast medium
- choral speaking — recitation of poetry, dramatic pieces, etc. by a chorus of speakers
- chromoxylograph — a coloured print created from printing with wooden blocks
- cricopharyngeal — of, relating to, or involving the cricoid cartilage and the pharynx.
- cryptographical — the science or study of the techniques of secret writing, especially code and cipher systems, methods, and the like. Compare cryptanalysis (def 2).
- crystallography — the science concerned with the formation, properties, and structure of crystals
- demographically — of or relating to demography, the science of vital and social statistics.
- dermatoglyphics — the lines forming a skin pattern, esp on the palms of the hands and soles of the feet
- electromyograph — A device used in electromyography to generate electromyograms.
- encephalography — Any of various techniques for recording the structure or electrical activity of the brain.
- english sparrow — a small Eurasian weaverbird, Passer domesticus, now established in North America and Australia. It has a brown streaked plumage with grey underparts
- english speaker — a person who speaks English as a first, or second mother tongue
- finger alphabet — a series of shapes made by the fingers that indicate letters of an alphabet and can be used in fingerspelling for the deaf
- geostrophically — By means of, or in terms of, geostrophy.
- gestalt therapy — holistic psychotherapy
- glossographical — relating to glossography
- golden samphire — a Eurasian coastal plant, Inula crithmoides, with fleshy leaves and yellow flower heads: family Asteraceae (composites)
- gramophonically — in a gramophonic manner
- graph colouring — (application) A constraint-satisfaction problem often used as a test case in research, which also turns out to be equivalent to certain real-world problems (e.g. register allocation). Given a connected graph and a fixed number of colours, the problem is to assign a colour to each node, subject to the constraint that any two connected nodes cannot be assigned the same colour. This is an example of an NP-complete problem. See also four colour map theorem.
- graphic display — the way in which line drawings and text are displayed
- graphologically — In terms of or by means of graphology.
- 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.
- 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.
- holographically — In a holographic way.
- hung parliament — a parliament that does not have a party with a working majority
- hunting leopard — the cheetah.
- hygroscopically — In a hygroscopic way.
- hypercoagulable — related to excessive coagulation of the blood or blood clots
- hypergalactosis — an abnormally large secretion of milk.
- hyperpolarizing — Present participle of hyperpolarize.
- ideographically — an ideogram.
- interphalangeal — Between phalanges, as with an interphalangeal joint.
- lexicographical — the writing, editing, or compiling of dictionaries.
- low archipelago — a group of French islands in the S Pacific. 332 sq. mi. (860 sq. km).
- lymphogranuloma — any of certain diseases characterized by granulomatous lesions of lymph nodes.
- morphologically — the branch of biology dealing with the form and structure of organisms.
- neuropathologic — Of or pertaining to neuropathology.
- nonbiographical — not biographical, not relating to biography or events in a person's life
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