15-letter words containing p, t, i, l
- approach lights — lights on the runway that guide planes coming in to land
- approachability — capable of being approached; accessible.
- approval rating — approval of a politician as shown by opinion polls
- artillery plant — any of various tropical urticaceous plants of the genus Pilea, such as P. microphylla, all having stamens that discharge their pollen explosively
- astrophysically — from an astrophysical point of view
- at pistol point — being under or using the threat of being shot
- athletic sports — sports, esp track and field events, in which athleticism is required
- atlantic puffin — any of several alcidine sea birds of the genera Fratercula and Lunda, having a short neck and a large, compressed, grooved bill, as F. arctica (Atlantic puffin) of the North Atlantic.
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- australian alps — a mountain range in SE Australia, in E Victoria and SE New South Wales. Highest peak: Mount Kosciuszko, 2195 m (7316 ft)
- australian pine — casuarina
- autolithography — a lithographic technique by which the artist draws or traces with a brush and pen directly on a stone or plate.
- automatic pilot — An automatic pilot or an autopilot is a device in an aircraft that automatically keeps it on a particular course.
- automorphically — in an automorphic manner
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- autotrophically — through an autotrophic process
- back plastering — the introduction of partitions of lath and plaster between the inner and outer surfaces of a stud wall in order to improve the insulating properties of the wall.
- balanoposthitis — An inflammation of the glans penis and the prepuce.
- ballpoint (pen) — a pen having, instead of a point, a small ball bearing that picks up its ink by rolling against an interior ink reservoir
- bandpass filter — A bandpass filter is a filter designed to pass all frequencies within a band of frequencies.
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- battleship gray — a subdued bluish gray.
- bias (ply) tire — a motor vehicle tire having a foundation of plies of rubberized cords in a crisscross pattern of lines diagonal to the center line of the tread
- biopsychologist — a field of psychology that deals with the effects of biological factors on behavior.
- black operation — a covert and undocumented military operation
- 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.
- boiled potatoes — potatoes, usually peeled, cooked in boiling water
- bouillotte lamp — a table lamp of the 18th century, having two or three adjustable candle brackets and a common shade sliding on a central shaft.
- bowel complaint — bowel disease or condition
- braille printer — (printer) (Or "(Braille) embosser") A printer, necessarily an impact printer, that renders text as Braille. Blind users call other printers ink printers.
- building permit — a permit for construction work
- buryat republic — a constituent republic of SE central Russia, on Lake Baikal: mountainous, with forests covering over half the total area. Capital: Ulan-Ude. Pop: 981 000 (2002). Area: 351 300 sq km (135 608 sq miles)
- calf diphtheria — a disease of the throat in young calves caused by Fusobacterium necrophorum, resulting in breathing difficulty and a painful cough
- calliper splint — a splint consisting of two metal rods with straps attached, for supporting or exerting tension on the leg
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- capillarization — The formation and development of a network of capillaries to a part of the body; it is increased by aerobic exercise.
- capital account — A country's capital account is the part of its balance of payments that is concerned with the movement of capital.
- capital expense — A capital expense is the cost of acquiring or making improvements to fixed assets.
- capital gearing — the ratio of a company's debt capital to its equity capital
- capital letters — a letter of the alphabet that usually differs from its corresponding lowercase letter in form and height, as A, B, Q, and R as distinguished from a, b, q, and r : used as the initial letter of a proper name, the first word of a sentence, etc.
- capital offence — a crime for which the death penalty is used
- capital surplus — any surplus of a business firm not derived from direct earnings or profits
- capitalizations — Plural form of capitalization.
- capitulationism — advocacy or approval of capitulation.
- capitulationist — advocacy or approval of capitulation.
- cardinal points — the four main points of the compass: north, south, east, and west
- caribbean plate — a major tectonic division of the earth's crust, encompassing the Central American portion of North America, the Caribbean Sea, and the islands of Cuba, Jamaica, Hispaniola, and Puerto Rico, as well as the Leeward and Windward Islands; bordered north and south by the North and South American Plates and west by the Cocos Plate.
- carpentersville — a city in NE Illinois, near Chicago.