13-letter words containing p, o, r, l
- doppler radar — a radar tracking system that determines the velocity of a moving object by measuring the Doppler shift of the frequency of a radar signal reflected by the object.
- doppler shift — (often lowercase) the shift in frequency (Doppler shift) of acoustic or electromagnetic radiation emitted by a source moving relative to an observer as perceived by the observer: the shift is to higher frequencies when the source approaches and to lower frequencies when it recedes.
- double spread — any pair of facing pages in a completed book, magazine, etc.
- double-dipper — Informal. to earn a salary from one position while collecting a pension from the same employer or organization, especially to be a wage earner on the federal payroll while receiving a military retiree's pension.
- double-ripper — bobsled (def 2).
- doublespeaker — a person who uses doublespeak
- drink problem — If someone is said to have a drink problem, they are thought to drink too much alcohol
- drop the ball — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
- dry ski slope — A dry ski slope is a slope made of an artificial substance on which you can practise skiing.
- dysmorphology — The study of genetic defects, especially congenital malformations.
- early adopter — a person who uses a new product or technology before it becomes widely known or used.
- electrographs — Plural form of electrograph.
- electrooptics — the technology that deals with the production, control, and detection of light by electrical devices
- electrophiles — Plural form of electrophile.
- electrophilic — (of a molecule or group) having a tendency to attract or acquire electrons.
- electrophones — Plural form of electrophone.
- electrophonic — Relating to electronic equipment to produce sound (this adjectival sense is not comparable).
- electrophorus — A device for repeatedly generating static electricity by induction.
- electroplated — Simple past tense and past participle of electroplate.
- electroplates — Third-person singular simple present indicative form of electroplate.
- electroscopes — Plural form of electroscope.
- electrotyping — The act or process of making electrotypes.
- electrotypist — an electrotyper
- encephalogram — An image, trace, or other record of the structure or electrical activity of the brain.
- epidermolysis — Loosening of the epidermis, with extensive blistering of the skin and mucous membranes, occurring either after injury, or as a spontaneous and potentially dangerous condition, particularly in children.
- epitrachelion — The liturgical vestment worn by priests and bishops of the Orthodox Church as the symbol of their priesthood, corresponding to the Western stole.
- epitrochoidal — Being or relating to an epitrochoid.
- eproctophilia — Sexual arousal from flatulence.
- european plan — a hotel rate of charging covering room and service but not meals
- european sole — Solea solea, a tongue-shaped flatfish of the family Soleidae, also known as Dover sole or common sole: prefers shallow waters and is highly valued as a food fish
- explanatorily — With regard to explanatory power.
- explorational — Of, pertaining to, or by means of exploration.
- exploratively — in an explorative manner
- exploratorium — A museum or similar institution that encourages visitors to explore the exhibits in a hands-on manner.
- exportability — The property of being exportable.
- expostulatory — Of, characterized by, or exhibiting expostulation.
- extemporarily — In an extemporary manner.
- extrapersonal — Outside of a person; beyond what is personal or individual.
- extrapolating — Present participle of extrapolate.
- extrapolation — (mathematics) A calculation of an estimate of the value of some function outside the range of known values.
- extrapolative — That serves to extrapolate.
- extratropical — Occurring outside the tropics, usually in temperate latitudes.
- extremophiles — Plural form of extremophile.
- fanfold paper — continuous paper perforated at regular intervals, as used in a dot-matrix printer
- field sparrow — a common North American finch, Spizella pusilla, found in brushy pasturelands.
- fighter pilot — sb who pilots a bomber plane
- filmographies — Plural form of filmography.
- first peoples — any of the indigenous peoples or Indian communities of Canada, especially one formally recognized by the Canadian government.
- flameproofing — Present participle of flameproof.
- flavoproteins — Plural form of flavoprotein.