19-letter words containing e, n, p, l, a, d
- radiation potential — the potential in volts that must be applied to an atom or molecule to cause it to emit radiation at one of its characteristic frequencies.
- ralph waldo emerson — Ralph Waldo [wawl-doh,, wol-] /ˈwɔl doʊ,, ˈwɒl-/ (Show IPA), 1803–82, U.S. essayist and poet.
- rancho palos verdes — a town in SW California.
- reduction potential — (in a galvanic cell) the potential of the electrode at which reduction occurs.
- relative impediment — a fact or circumstance that disqualifies from lawful marriage persons who are closely related.
- republic of ireland — John, 1838–1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888–1918.
- resplendent quetzal — See under quetzal (def 1).
- royal correspondent — a journalist who reports on matters relating to royalty
- samuel de champlain — Samuel de [sam-yoo-uh l duh;; French sa-my-el duh] /ˈsæm yu əl də;; French sa müˈɛl də/ (Show IPA), 1567–1635, French explorer in the Americas: founder of Quebec; first colonial governor 1633–35.
- sao paulo de luanda — Luanda.
- scale down (or up) — to reduce (or increase), often according to a fixed ratio or proportion
- sea floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- sea-floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- sexual reproduction — reproduction involving the union of gametes.
- single-line display — a display that presents information in a single line
- spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
- stakeholder pension — In Britain, a stakeholder pension is a flexible pension scheme with low charges. Both employees and the state contribute to the scheme, which is optional, and is in addition to the basic state pension.
- sun-and-planet gear — a planetary epicyclic gear train.
- tall poppy syndrome — a tendency to disparage any person who has achieved great prominence or wealth
- talleyrand-perigord — Charles Maurice de [sharl moh-rees duh] /ʃarl moʊˈris də/ (Show IPA), Prince de Bénévent [duh bey-ney-vahn] /də beɪ neɪˈvɑ̃/ (Show IPA), 1754–1838, French statesman.
- tamper-evident seal — A tamper-evident seal is a sealing device designed to reveal if the opening of a container has been interfered with.
- tarnished plant bug — a bug, Lygus lineolaris, of the family Miridae, that is a common and widely distributed pest of alfalfa and other legumes and of peach and other fruit trees.
- the panhandle state — a nickname for West Virginia
- three-point landing — an aircraft landing in which the two wheels of the main landing gear and the tail or nose wheel touch the ground simultaneously.
- tidal power station — a power station where the energy of flowing water is converted into electricity
- tropical depression — an atmospheric low-pressure system originating in the tropics, specifically, a tropical cyclone in which the maximum sustained wind speed is 38 miles per hour (62 kilometers per hour) or less.
- ultracrepidarianism — noting or pertaining to a person who criticizes, judges, or gives advice outside the area of his or her expertise: The play provides a classic, simplistic portrayal of an ultracrepidarian mother-in-law.
- waste disposal unit — an electrically operated fitment in the plughole of a kitchen sink that breaks up food refuse so that it goes down the waste pipe