15-letter words containing r, a, t, l, e
- irresolvability — The quality of being irresolvable.
- irritable colon — any combination of common disturbances of the bowel, as diarrhea or constipation, occurring with abdominal pain, sometimes accompanied by psychological stress. Abbreviation: IBS.
- irritable heart — cardiac neurosis.
- irvine dataflow — (language) (Always called "Id") A non-strict, single assignment language and incremental compiler developed by Arvind and Gostelow and used on MIT's Tagged-Token Dataflow Architecture and planned to be used on Motorola's Monsoon. See also Id Nouveau.
- isolated camera — a television camera used to isolate a subject, part of a sports play, etc., for instant replay.
- isoperimetrical — having equal perimeters
- isothermal-line — Meteorology. a line on a weather map or chart connecting points having equal temperature.
- it's early days — If you say about something that might be true that it is early days, you mean that it is too soon for you to be completely sure about it.
- italian cypress — a tall Eurasian cypress, cupressus sempervirens, native to the eastern Mediterranean region
- ivan sutherland — Ivan E. Sutherland is widely known for his pioneering contributions. His 1963 MIT PhD thesis, Sketchpad, opened the field of computer graphics. His 1966 work, with Sproull, on a head-mounted display anticipated today's virtual reality by 25 years. He co-founded Evans and Sutherland, which manufactures the most advanced computer image generators now in use. As head of Computer Science Department of Caltech he helped make integrated circuit design an acceptable field of academic study. Dr. Sutherland is on the boards of several small companies and is a member of the National Academy of Engineering and the National Academy of Sciences, the ACM and IEEE. He received the ACM's Turing Award in 1988. He is now Vice President and Fellow of Sun Microsystems Laboratories in Mountain View, CA, USA.
- jack-o'-lantern — a hollowed pumpkin with openings cut to represent human eyes, nose, and mouth and in which a candle or other light may be placed, traditionally made for display at Halloween.
- javelin thrower — a person who throws a javelin
- jerusalem thorn — See under Christ's-thorn.
- job enlargement — a widening of the range of tasks performed by an employee in order to provide variety in the activities undertaken
- jurisprudential — the science or philosophy of law.
- juxtaglomerular — (anatomy) Near, or adjoining a renal glomerulus.
- kaffeeklatscher — a person who participates, especially regularly, in a kaffee klatsch.
- kelmscott manor — a Tudor house near Lechlade in Oxfordshire: home (1871–96) of William Morris
- kernmantel rope — a rope made of many straight nylon fibres within a plaited sheath; used for its tensile strength, freedom from twisting, and elasticity
- kilovolt-ampere — an electrical unit, equal to 1000 volt-amperes. Abbreviation: kVA, kva.
- kleptoparasites — Plural form of kleptoparasite.
- kleptoparasitic — Pertaining to kleptoparasitism.
- knight bachelor — bachelor (def 3).
- kronecker delta — a function of two variables, i and j, which equals 1 when the variables have the same value, i = j, and equals 0 when the variables have different values, i ≠ j.
- labor relations — worker-employer relationship
- labor-intensive — requiring or using a large supply of labor, relative to capital.
- labour shortage — a shortage or insufficiency of qualified candidates for employment (in an economy, country, etc)
- lactovegetarian — Also called lactarian. a vegetarian whose diet includes dairy products.
- ladies'-tresses — any of a genus (Spiranthes) of wild orchids with small, white flowers arranged spirally on spikes
- lady's bedstraw — a Eurasian rubiaceous plant, Galium verum, with clusters of small yellow flowers
- ladybird beetle — ladybug.
- lamb's-quarters — the pigweed, Chenopodium album.
- lambda particle — any of a family of neutral baryons with strangeness −1 or charm +1, and isotopic spin 0. The least massive member of the lambda family was the first strange particle to be discovered. Symbol: Λ.
- lamp-post error — fencepost error
- lancaster sound — an arm of Baffin Bay, Nunavut Territory, Canada, leading W to the Parry Channel. 200 miles (320 km) long and 40 miles (64 km) wide.
- langres plateau — a calcareous plateau of E France north of Dijon between the Seine and the Saône, reaching over 580 m (1900 ft): forms a watershed between rivers flowing to the Mediterranean and to the English Channel
- lantern gurnard — a type of gurnard
- laptop computer — portable computer
- large intestine — intestine (def 3).
- largemouth bass — a North American freshwater game fish, Micropterus salmoides, having an upper jaw extending behind the eye and a broad, dark, irregular stripe along each side of the body. Compare smallmouth bass.
- laryngectomized — having had one's larynx surgically removed by undergoing a laryngectomy
- laryngotracheal — of, relating to, or involving the larynx and trachea.
- laser chemistry — the use of a laser to initiate and control chemical reactions.
- laser treatment — any of various medical and surgical techniques using lasers, such as the removal of small growths
- latent learning — learning mediated neither by reward nor by the expectation of reward
- lateral fissure — the fissure separating the frontal, temporal, and parietal lobes of the cerebrum.
- lateral moraine — a moraine formed at the side of a glacier.
- lateran council — any of the five ecumenical councils (1123, 1139, 1179, 1215, 1512–17) held in the Lateran Palace.
- latino-american — an American who is of Latin-American or Spanish origin
- latter prophets — a subdivision of the books constituting the second main part of the Hebrew Bible, comprising those books which in Christian tradition are alone called the Prophets and which are divided into Major Prophets and Minor Prophets