15-letter words containing a, l, i, t, r
- intrinsicalness — The quality of being intrinsical; intrinsicality.
- introspectional — Of or relating to introspection.
- involuntariness — The state of being involuntary; unwillingness; automatism.
- invulnerability — incapable of being wounded, hurt, or damaged.
- iranian plateau — a plateau in SW Asia, mostly in Iran, extending from the Tigris to the Indus rivers. 1,000,000 sq. mi. (2,590,000 sq. km).
- iridocapsulitis — inflammation of the iris and the capsule of the lens.
- irrationalistic — Of or relating to irrationalism.
- irrationalities — Plural form of irrationality.
- irreformability — the state or condition of being irreformable
- irrefragability — How irrefragable something is.
- 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.
- javelin thrower — a person who throws a javelin
- jurisprudential — the science or philosophy of law.
- 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).
- labor relations — worker-employer relationship
- labor-intensive — requiring or using a large supply of labor, relative to capital.
- labyrinthodonts — Plural form of labyrinthodont.
- 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
- ladybird beetle — ladybug.
- 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.
- large intestine — intestine (def 3).
- laryngectomized — having had one's larynx surgically removed by undergoing a laryngectomy
- laser chemistry — the use of a laser to initiate and control chemical reactions.
- 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
- leading article — Also called leader. the most important or prominent news story in a newspaper.
- leading strings — strings or straps formerly used to guide and support a young child learning to walk
- leadwort family — the plant family Plumbaginaceae, characterized by shrubs and herbaceous plants of seacoasts and semiarid regions, having basal or alternate leaves, spikelike clusters of tubular flowers, and dry, one-seeded fruit, and including leadwort, sea lavender, statice, and thrift.
- lean production — Lean production is the same as lean manufacturing.
- learned society — an organization devoted to the scholarly study of a particular field or discipline, as modern languages, psychology, or history.
- least sandpiper — a small, American sandpiper, Calidris minutilla, related to the stints of Europe.
- leaving present — a present given to a person when they leave a job, place etc
- left-hand drive — A left-hand drive vehicle has the steering wheel on the left side, and is designed to be used in countries where people drive on the right-hand side of the road.
- leptosporangium — (botany) A sporangium formed from a single epidermal cell.