13-letter words containing e, u, n, i
- involute gear — a gear tooth form that is generated by involute geometry
- irregularness — Quality of being irregular.
- issuing house — a financial institution that engages in finding capital for established companies or for private firms wishing to convert to public companies, by issuing shares on their behalf
- jejunostomies — Plural form of jejunostomy.
- jequitinhonha — a river in E Brazil, flowing from the state of Minas Gerais to the Atlantic Ocean. 500 miles (805 km) long.
- jeune premier — the male juvenile lead in a play or movie.
- jitterbugging — Present participle of jitterbug.
- joint venture — business: joint enterprise
- joint-venture — to establish or enter a joint venture or partnership.
- judeo-spanish — Ladino (def 1).
- judgmentalism — Judgmental behaviour or attitude.
- judiciousness — The state of being judicious.
- juggling eggs — Keeping a lot of state in your head while modifying a program. "Don't bother me now, I'm juggling eggs", means that an interrupt is likely to result in the program's being scrambled. In the classic first-contact SF novel "The Mote in God's Eye", by Larry Niven and Jerry Pournelle, an alien describes a very difficult task by saying "We juggle priceless eggs in variable gravity." See also hack mode.
- jumping genes — transposon.
- jumping mouse — any of several primitive, mouselike rodents of the family Zapodidae, having long hind legs, common in the woodlands of Europe, Asia, and North America.
- junggar pendi — an arid region of W China, in N Xinjiang between the Altai Mountains and the Tian Shan
- junior league — any local branch of a women's organization, the Association of the Junior Leagues of America, Inc., the members of which are engaged in volunteer welfare work, civic affairs, etc.
- juniper berry — the berrylike cone of a juniper.
- jurisprudence — the science or philosophy of law.
- just a minute — wait, stop
- keep in touch — stay in contact
- kenyapithecus — a genus of fossil hominoids of middle Miocene age found in Kenya and having large molars, small incisors, and powerful chewing muscles.
- key signature — (in notation) the group of sharps or flats placed after the clef to indicate the tonality of the music following.
- knuckle joint — a joint forming a knuckle.
- laboriousness — requiring much work, exertion, or perseverance: a laborious undertaking.
- lambeosaurine — Any crested hadrosaurid dinosaur of the subfamily Lambeosaurinae.
- latin quarter — the quarter of Paris on the south side of the Seine, especially frequented for centuries by students, writers, and artists.
- lectisternium — (in ancient Rome) a religious rite in which the images of the gods were placed upon couches around a table, upon which was set a feast
- leisureliness — The property of being leisurely.
- leprechaunish — somewhat similar to a leprechaun
- letter ruling — a written ruling sent by the U.S. Internal Revenue Service in response to a query concerning the application of the tax laws to a specific situation.
- leucaemogenic — leukemogenic
- leucitohedron — a trapezohedron
- leukaemogenic — relating to the development of leukaemia, or causing leukaemia
- lighthouseman — a lighthouse keeper
- line spectrum — an electromagnetic spectrum consisting of discrete lines, usually characteristic of excited atoms or molecules.
- lingayen gulf — a gulf in the Philippines, on the NW coast of Luzon.
- lingual brace — a specialized dental brace that fits behind the teeth so that it is not visible when the wearer speaks or smiles.
- linkage group — a group of genes in a chromosome that tends to be inherited as a unit.
- liquefacients — Plural form of liquefacient.
- liquefactions — Plural form of liquefaction.
- liquid oxygen — a clear, pale blue liquid obtained by compressing oxygen and then cooling it below its boiling point: used chiefly as an oxidizer in liquid rocket propellants.
- litigiousness — of or relating to litigation.
- lodging house — a house in which rooms are rented, especially a house other than an inn or hotel; rooming house.
- longsuffering — enduring injury, trouble, or provocation long and patiently.
- lounge lizard — a foppish man who frequents bars, cafés, hotel lounges, etc., with or in search of women.
- low countries — the lowland region of W Europe, on the North Sea: consists of Belgium, Luxembourg, and the Netherlands
- lubber's line — a vertical line on the forward inner side of the bowl of a fixed compass, used as a reference mark indicating the heading of a vessel.
- lucrativeness — profitable; moneymaking; remunerative: a lucrative business.
- ludicrousness — The state or quality of being ludicrous.