15-letter words containing p, e, r, i, o
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- 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
- be spoiling for — to have an aggressive desire for (a fight, etc)
- bear comparison — to be sufficiently similar in class or range to be compared with (something else), esp favourably
- bedroom slipper — a soft shoe worn in the house
- bergius process — a method of hydrogenation formerly used with coal to produce an oil similar to petroleum.
- bird of passage — If you refer to someone as a bird of passage, you mean that they are staying in a place for a short time before going to another place.
- bits per second — (communications, unit) (bps, b/s) The unit in which data rate is measured. For example, a modem's data rate is usually measured in kilobits per second. In 1996, the maximum modem speed for use on the PSTN was 33.6 kbps, rising to 56 kbps in 1997. Note that kilo- (k), mega- (M), etc. in data rates denote powers of 1000, not 1024.
- black operation — a covert and undocumented military operation
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- boustrophedonic — of or relating to lines written in opposite directions
- brachiocephalic — of, relating to, or supplying the arm and head
- break-in period — a period during which certain restrictions or moderation in operating should be followed, as the avoidance of high speed, rapid acceleration, or severe braking for a new automobile.
- breakeven point — a point at which the total revenue and total cost are equal
- breaking plough — a plough with a long shallow mouldboard for turning virgin land or sod land
- broken pediment — a pediment, as over a doorway or window, having its raking cornice interrupted at the crown or apex.
- bromoil process — a process for making an offset reproduction by first making a photographic print on paper with a silver bromide emulsion, wetting it, and then using it as a lithographic plate, the lighter parts of the emulsion tending to repel the oil base of the ink and the darker parts tending to hold it.
- brompheniramine — a substance, C 16 H 19 BrN 2 , used as an antihistamine in the management of various allergies, as hay fever.
- bronzing powder — the powder used in bronzing, consisting of alloys of bronze or brass
- business person — Business people are people who work in business.
- 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
- caprifoliaceous — of, relating to, or belonging to the Caprifoliaceae, a family of N temperate shrubs, small trees, and climbers including honeysuckle, elder, and guelder-rose
- cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
- castanospermine — a substance obtained from the Australian chestnut or black bean tree
- cell disruption — Cell disruption is when a biological material becomes smaller to release proteins and enzymes.
- cephalothoracic — the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.
- chairpersonship — a person who presides over a meeting, committee, board, etc.
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- chemolithotroph — Chemoautotroph.
- chemoprevention — the prevention of disease, esp cancer, by means of chemical agents
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chief inspector — an officer of high rank in British police forces
- chiropterophily — Pollination by bats.
- chloramphenicol — a broad-spectrum antibiotic used esp in treating typhoid fever and rickettsial infections: obtained from the bacterium Streptomyces venezuelae or synthesized. Formula: C11H12N2O5Cl2
- choral speaking — recitation of poetry, dramatic pieces, etc. by a chorus of speakers
- chromium-plated — having been plated with chromium
- ciliary process — one of the folds on the ciliary body, connected with the suspensory ligament of the crystalline lens.
- cineangiography — the use of motion-picture recording to trace the passage of dye through blood vessels, for the diagnosis of heart and blood vessel disease
- cinematographed — a motion-picture projector.
- cinematographer — A cinematographer is a person who decides what filming techniques should be used during the shooting of a film.
- cinematographic — a motion-picture projector.
- cinemicrography — the making of a film through the lens of a microscope
- cineradiography — the filming of motion pictures through a fluoroscope or x-ray machine.
- cleptoparasites — Plural form of cleptoparasite.
- come up for air — rise to water's surface
- commit to paper — to write down; record