15-letter words containing a, m, p
- armour-piercing — capable of penetrating armour plate
- arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
- assemblypersons — Plural form of assemblyperson.
- astrophotometry — the measurement of the intensity of light of celestial objects.
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- audio equipment — electrical devices used to play or record sound
- 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
- balloon payment — a large payment that concludes a series of smaller payments, for example in order to repay a loan
- ballpeen hammer — a hammer that has one end of its head shaped in a hemisphere for beating metal, etc
- baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
- barium peroxide — a gray-white powder, BaO2, used as a bleach and in making hydrogen peroxide
- 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
- barothermograph — an automatic instrument for recording pressure and temperature.
- bay of campeche — the SW part of the Gulf of Mexico
- beam-power tube — a vacuum tube in which the stream of electrons flowing to the plate is focused by the action of a set of auxiliary, charged elements, giving an increase in output power.
- bear comparison — to be sufficiently similar in class or range to be compared with (something else), esp favourably
- benefit payment — a payment of money by the government to people who are ill, unemployed, poor or who have children
- biblia pauperum — any of the picture books illustrating Biblical events and usually containing a short text, used chiefly in the Middle Ages for purposes of religious instruction.
- bit-mapped font — a computer font whose characters are held in memory as series of dots.
- bitmapped image — a computer image that is held in memory as a series of colored dots in a grid, each dot represented by one or more bits.
- black september — a Palestinian Terrorist group, responsible for the assassinations of Israeli athletes at the Olympic Games at Munich in 1972
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blasphemousness — the quality of being blasphemous
- blenheim palace — a palace in Woodstock in Oxfordshire: built (1705–22) by Sir John Vanbrugh for the 1st Duke of Marlborough as a reward from the nation for his victory at Blenheim; gardens laid out by Henry Wise and Capability Brown; birthplace of Sir Winston Churchill (1874)
- 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
- box the compass — to name the compass points in order
- brazilian plume — a tropical American plant, Justicia carnea, of the acanthus family, having hairy, prominently veined leaves and a short, dense cluster of purple or pink flowers, grown in greenhouses or outdoors in warm regions.
- brompheniramine — a substance, C 16 H 19 BrN 2 , used as an antihistamine in the management of various allergies, as hay fever.
- camera operator — a person who operates a film or television camera
- camp counsellor — an adult supervisor assigned to a group of campers at a summer camp
- campaign button — a disk-shaped pin worn by a supporter of a political candidate, usually bearing the name of the candidate and often a slogan or the candidate's picture.
- campaign ribbon — a distinctively colored ribbon, either on a small, narrow bar or in the form of a strip, representing a military campaign participated in by the wearer.
- campaign worker — a person who carries out duties for a political candidate or party, esp before an election
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- capitulationism — advocacy or approval of capitulation.
- cardiopulmonary — of, relating to, or affecting the heart and lungs
- carpometacarpal — Anatomy. of or relating to the carpus and the metacarpus.
- carpometacarpus — a bone in the wing of a bird that consists of the metacarpal bones and some of the carpal bones fused together
- castanospermine — a substance obtained from the Australian chestnut or black bean tree
- casters-up mode — [IBM, probably from slang belly up] Yet another synonym for "broken" or "down". Usually connotes a major failure. A system (hardware or software) which is "down" may be already being restarted before the failure is noticed, whereas one which is "casters up" is usually a good excuse to take the rest of the day off (as long as you're not responsible for fixing it).
- cephalohematoma — A hemorrhage of blood between the skull and periosteum of a newborn baby secondary to rupture of blood vessels crossing the periosteum.
- champagne flute — a tall, thin champagne glass
- champagne glass — a glass for drinking champagne, either a glass with a wide mouth and a roughly triangular shape or a tall flute
- chartophylacium — (in a medieval church) a place for the keeping of records and documents.
- cheap assembler — (tool) (CHASM) A shareware assembler for MS-DOS.
- chemoautotrophs — Plural form of chemoautotroph.
- chemoautotrophy — the process of deriving energy through oxidizing inorganic chemical compounds, as opposed to photosynthesis
- chemopsychiatry — the study and application of chemical substances in psychiatry