12-letter words containing i, s, m, a, l
- ismail pasha — 1830–95, viceroy and khedive of Egypt 1863–79.
- isolationism — the policy or doctrine of isolating one's country from the affairs of other nations by declining to enter into alliances, foreign economic commitments, international agreements, etc., seeking to devote the entire efforts of one's country to its own advancement and remain at peace by avoiding foreign entanglements and responsibilities.
- isothermally — occurring at constant temperature.
- justicialism — the political doctrine of Juan Domingo Perón, formerly President of Argentina
- lachrymosity — suggestive of or tending to cause tears; mournful.
- lacrimal sac — the dilated upper portion of the nasolacrimal duct that receives tears from the lacrimal ducts.
- lactalbumins — Plural form of lactalbumin.
- ladies' room — a public lavatory for women.
- lamb's tails — burro's tail.
- lamentations — the act of lamenting or expressing grief.
- laminotomies — Plural form of laminotomy.
- lammergeiers — Plural form of lammergeier.
- lamplighters — Plural form of lamplighter.
- languishment — the act or state of languishing.
- laparotomies — Plural form of laparotomy.
- lemnian seal — the earth of the Greek island of Lemnos, which is famous for its medicinal properties
- leprosariums — Plural form of leprosarium.
- leptosomatic — a person of asthenic build.
- lifestreamer — a person who provides an online record of his or her life, either by means of live video footage or via an online collection of social network updates, blogs, and photos
- limacologist — a person who specialises in the study of slugs
- linseed meal — ground linseed cake.
- lip-smacking — tasty, mouth-watering
- liposarcomas — Plural form of liposarcoma.
- liquidambars — Plural form of liquidambar.
- lisp machine — 1. (architecture) Any machine (whether notional or actual) whose instruction set is Lisp. 2. (hardware, operating system) A line of workstations made by Symbolics, Inc. from the mid-1970s (having grown out of the MIT AI Lab) to late 1980s. All system code for Symbolics Lisp Machines was written in Lisp Machine Lisp. Symbolics Lisp Machines were also notable for having had space-cadet keyboards.
- litmus paper — a strip of paper impregnated with litmus, used as a chemical indicator.
- los alamitos — a town in S California.
- lyme disease — an acute inflammatory disease caused by a tick-borne spirochete, Borrelia burgdorferi , characterized by recurrent episodes of decreasing severity in which joint swelling, fever, and rash occur, sometimes with cardiac or nervous system complications.
- lymphangitis — inflammation of the lymphatic vessels.
- macassar oil — an oil derived from materials said to be obtained from Macassar, formerly used as a hairdressing.
- macclesfield — a market town in NW England, in Cheshire: former centre of the silk industry; pharmaceuticals, services. Pop: 50 688 (2001)
- macrofossils — Plural form of macrofossil.
- macroglossia — Enlargement or hypertrophy of the tongue.
- mademoiselle — (often initial capital letter) a French title of respect equivalent to “Miss”, used in speaking to or of a girl or unmarried woman: Mademoiselle Lafitte. Abbreviation: Mlle.
- madisonville — a city in W Kentucky.
- magnetotails — Plural form of magnetotail.
- magnoliopsid — (botany) a member of the class Magnoliopsida. Circumscription of this class will vary with the taxonomic system being used.
- maidenliness — The state or condition of being maidenly.
- mailing list — a list of addresses to which mail, especially advertisements, can be sent.
- main-topsail — a topsail set on the mainmast.
- mains supply — electricity, water, or gas supplied to a building through wires or pipes
- majestically — characterized by or possessing majesty; of lofty dignity or imposing aspect; stately; grand: the majestic Alps.
- malacologist — A person who studies molluscs, who specializes in malacology.
- maladjustive — Exhibiting or relating to maladjustment.
- malapropisms — Plural form of malapropism.
- male-sterile — producing no pollen or infertile pollen.
- maledictions — Plural form of malediction.
- malefactions — Plural form of malefaction.
- malfunctions — Plural form of malfunction.
- malignancies — Plural form of malignancy.