16-letter words containing o, p, e, r
- ebony spleenwort — a fern, Asplenium platyneuron, of woody areas of North America, having ladderlike leaves and shiny, dark brown stems.
- echocardiographs — Plural form of echocardiograph.
- echocardiography — an instrument employing reflected ultrasonic waves to examine the structures and functioning of the heart.
- ectoparasiticide — Any pesticide designed to kill parasites that live on the exterior of a host.
- edinburgh prolog — Prolog dialect which eventually developed into the standard, as opposed to Marseille Prolog. (The difference is largely syntax.) Clocksin & Mellish describe Edinburgh Prolog. Version: C-Prolog.
- educational park — a group of elementary and high schools, usually clustered in a parklike setting and having certain facilities shared by all grades, that often accommodates students from a large area.
- electrical power — electricity
- electrodeposited — Deposited by electrodeposition.
- electromyographs — Plural form of electromyograph.
- electromyography — The recording of the electrical activity of muscle tissue, or its representation as a visual display or audible signal, using electrodes attached to the skin or inserted into the muscle.
- electron capture — the transformation of an atomic nucleus in which an electron from the atom is spontaneously absorbed into the nucleus. A proton is changed into a neutron, thereby reducing the atomic number by 1. A neutrino is emitted. The process may be detected by the consequent emission of the characteristic X-rays of the resultant element
- electrophilicity — (chemistry, uncountable) the condition of being electrophilic.
- electroreception — The detection by an aquatic animal of electric fields or currents.
- electroreceptors — Plural form of electroreceptor.
- electrotherapist — One who administers electrotherapy.
- emergency powers — special permission allowing a minister, government, etc to take action in an emergency without having to have their actions approved by parliament
- emulator program — (networking) (EP) IBM software that emulates a 2701/2/3 hard-wired IBM 360 communications controller and resides in a 370x/372x/374x comms controller. See also Partitioned Emulation Program (PEP).
- encephalographic — Relating to, or employing encephalography.
- episcopal church — an autonomous branch of the Anglican Communion in Scotland and the US
- ethnographically — Regarding the ethnography (of a region).
- european council — an executive body of the European Union, made up of the President of the European Commission and representatives of the member states, including the foreign and other ministers. The Council acts at the request of the Commission
- evening primrose — flowering plant
- expectant mother — a pregnant woman
- experimentations — Plural form of experimentation.
- exploration well — An exploration well is a borehole which is drilled to find out if there is any oil or gas in a place.
- exponential horn — a horn for the radiation of acoustic or high-frequency electromagnetic waves, of which the cross-sectional area increases exponentially with the length
- expressionlessly — Without expression; in an expressionless way.
- extemporaneously — In an extemporaneous manner; without prior preparation or planning.
- extracorporeally — Outside the body.
- false beechdrops — either of two parasitic or saprophytic plants of the genus Monotropa, especially the tawny or reddish M. hypopithys (false beechdrops) of eastern North America.
- fellow passenger — a person travelling on the same vehicle, plane, ship etc as you
- ferrous sulphate — an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO4
- figure of speech — any expressive use of language, as a metaphor, simile, personification, or antithesis, in which words are used in other than their literal sense, or in other than their ordinary locutions, in order to suggest a picture or image or for other special effect. Compare trope (def 1).
- file compression — (algorithm) The compression of data in a file, usually to reduce storage requirements.
- filter promotion — (algorithm) In a generate and test algorithm, combining part of the filter with the generator in order to reduce the number of potential solutions generated. A trivial example: filter (< 100) [1..1000] ==> [1..99] where [1..n] generates the list of integers from 1 to n. Here the filter has been combined completely with the generator. This is an example of fusion.
- finished product — the product that emerges at the end of a manufacturing process
- finless porpoise — a porpoise Neophocaena phocaenoides of the Indian and pacific Oceans that completely lacks a dorsal fin
- firework display — a public event at which fireworks are set alight
- fissure eruption — the emergence of lava from a fissure in the ground rather than from a volcanic cone or vent
- flat-bed plotter — a mechanized drafting device, usually computer driven, incorporating a moving pen whose horizontal and vertical range in two dimensions is limited only by the size of the bed of the device.
- fluorescent lamp — a tubular electric discharge lamp in which light is produced by the fluorescence of phosphors coating the inside of the tube.
- follicular phase — a stage of the menstrual cycle, from onset of menstruation to ovulation.
- follow-up letter — a letter sent as a follow-up to an initial letter or to a telephone call, meeting, etc
- footsteps editor — the technician who adds sound effects, such as doors closing, rain falling, etc, during the postproduction sound-dubbing process
- for pete's sake! — an expression of frustration, exasperation or annoyance
- formation packer — A formation packer is a substance that is used as a seal between the casing and the borehole so that part of the hole can be tested.
- four-star petrol — petrol containing lead, formerly sold in the UK
- francis joseph i — 1830–1916, emperor of Austria 1848–1916; king of Hungary 1867–1916.
- franco-provencal — a Romance dialect group of western Switzerland and neighboring parts of France: closely related to both Provençal and northern French.
- french polynesia — a French overseas territory in the S Pacific, including the Society Islands, Marquesas Islands, and other scattered island groups. 1544 sq. mi. (4000 sq. km). Capital: Papeete.