13-letter words containing op
- 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.
- enantiotropic — relating to enantiotropy
- encyclopaedia — (chiefly, UK, Australia) alternative spelling of encyclopedia.
- encyclopaedic — Alternative spelling of encyclopedic.
- encyclopedian — including a wide circle of learning
- encyclopedias — Plural form of encyclopedia.
- encyclopedism — Comprehensive learning or knowledge.
- encyclopedist — A person who writes, edits, or contributes to an encyclopedia.
- endoparasites — Plural form of endoparasite.
- endoparasitic — Of or pertaining to endoparasites.
- endopeptidase — An enzyme that breaks peptide bonds other than terminal ones in a peptide chain.
- endophenotype — (medicine) any hereditary characteristic that is normally associated with some condition but is not a direct symptom of that condition.
- endopolyploid — relating to endopolyploidy
- enteropathies — Plural form of enteropathy.
- entomophagous — feeding mainly on insects; insectivorous
- entomophilous — (of flowering plants) pollinated by insects
- episcopalians — Plural form of episcopalian.
- eproctophilia — Sexual arousal from flatulence.
- erythrophobia — Abnormal and persistent fear of blushing.
- esophagoscope — An instrument for the inspection or treatment of the esophagus.
- ethnophaulism — An ethnic or racial slur, typically caricaturing some identifiable (often physical) feature of the group being derided. For example,
- 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
- european toad — a European toad, Alytes obstetricans, the male of which carries the fertilized eggs on its hind legs until they hatch: family Discoglossidae
- european wasp — a large black-and-yellow banded wasp, Vespula germanica, native to Europe, North Africa, and Asia, now established in Australasia and the US
- expropriating — Present participle of expropriate.
- expropriation — The act of expropriating; the surrender of a claim to private property; the act of depriving of private propriety rights.
- extratropical — Occurring outside the tropics, usually in temperate latitudes.
- extremophiles — Plural form of extremophile.
- feedback loop — the path by which some of the output of a circuit, system, or device is returned to the input.
- first peoples — any of the indigenous peoples or Indian communities of Canada, especially one formally recognized by the Canadian government.
- flavoproteins — Plural form of flavoprotein.
- flavopurpurin — a yellow, crystalline anthraquinone dye, C 14 H 8 O 5 , isomeric with purpurin.
- flip-flopping — Informal. a sudden or unexpected reversal, as of direction, belief, attitude, or policy.
- florianopolis — a state in S Brazil. 36,856 sq. mi. (95,455 sq. km). Capital: Florianópolis.
- flower people — (esp during the 1960s) young people whose behaviour, dress, use of drugs, etc implied a rejection of conventional values, and who used flowers to symbolize peace and naturalness
- fluophosphate — fluorophosphate.
- fluoroplastic — any of the plastics, as Teflon, in which hydrogen atoms of the hydrocarbon chains are replaced by fluorine atoms.
- fluoroscoping — Present participle of fluoroscope.
- fluoroscopist — One who carries out fluoroscopy.
- food shopping — shopping to buy food
- four-way stop — an intersection of two roads with four stop signs, one facing in each direction
- frontopalatal — articulated with the portion of the tongue that is just behind the tip touching or near the alveolar ridge and hard palate, as ( (ʃ) ; sh) ) and (; ʒ) ; zh) )
- gallop rhythm — an abnormal heart rhythm characterized by three clear sounds in each beat, resembling the sound of a horse's gallop.