10-letter words containing a, s, l, o
- kovalevsky — Sonia [sohn-yuh] /ˈsoʊn yə/ (Show IPA), (Sofia Vasilievna Kovalevskaya) 1850–91, Russian mathematician.
- l'hospital — Guillaume François Antoine de [gee-yohm frahn-swa ahn-twan duh] /giˈyoʊm frɑ̃ˈswa ɑ̃ˈtwan də/ (Show IPA), 1661–1704, French mathematician.
- la perouse — Jean François de Galaup [zhahn frahn-swa duh ga-loh] /ʒɑ̃ frɑ̃ˈswa də gaˈloʊ/ (Show IPA), 1741–88, French naval officer and explorer.
- labionasal — articulated with the lips and given resonance in the nasal cavity, as m.
- labourious — Lb nonstandard Alternative form of from=UK.
- laboursome — (obsolete) Hard-working.
- laccoliths — Plural form of laccolith.
- lachrymose — suggestive of or tending to cause tears; mournful.
- laconicism — laconic brevity.
- lactoscope — an optical device for determining the amount of cream in milk.
- lactosuria — the presence of lactose in the urine
- lad's love — herb: wormwood
- lagomorphs — Plural form of lagomorph.
- lake poets — the English poets Wordsworth, Coleridge, and Southey, who lived in and drew inspiration from the Lake District at the beginning of the 19th century
- lake pskov — the S part of Lake Peipus in NW Russia, linked to the main part by a channel 24 km (15 miles) long. Area: about 1000 sq km (400 sq miles)
- lakefronts — Plural form of lakefront.
- lakeshores — Plural form of lakeshore.
- lamingtons — Plural form of lamington.
- lampoonist — One who lampoons.
- landowners — Plural form of landowner.
- langostino — langoustine.
- langoustes — Plural form of langouste.
- languorous — characterized by languor; languid.
- laniferous — wool-bearing: sheep and other laniferous animals.
- lanosterol — a sterol, C 30 H 50 O, formed from squalene epoxide, that is a precursor in the biosynthesis of cholesterol and is a component of lanolin.
- lanuginose — covered with lanugo, or soft, downy hairs.
- lanuginous — covered with lanugo, or soft, downy hairs.
- lardaceous — lardlike; fatty.
- lascivious — inclined to lustfulness; wanton; lewd: a lascivious, girl-chasing old man.
- laser show — a display of coloured laser lights for entertainment purposes, often accompanying a music concert, etc
- laserscope — a surgical instrument that employs a laser beam to destroy diseased tissue or to create small channels; used to open clogged arteries and, in ophthalmology, to treat patients with glaucoma or diabetic retinopathy.
- late hours — rising and going to bed later than is usual
- latecomers — Plural form of latecomer.
- lattermost — latest; last.
- laudations — Plural form of laudation.
- launceston — a city on N Tasmania.
- lauraceous — belonging to the plant family Lauraceae.
- lavatories — Plural form of lavatory.
- laviscious — (nonstandard) Lascivious.
- law courts — a body which adjudicates legal disputes and attempts to administer justice in accordance with the law
- law school — university where law degrees are taught
- lawnmowers — Plural form of lawnmower.
- lay person — a person who is not a member of the clergy; one of the laity.
- lay sb low — If a disease or illness lays you low, it makes you weak or ill.
- lazarettos — Plural form of lazaretto.
- lazy tongs — extensible tongs for grasping objects at a distance, consisting of a series of pairs of crossing pieces, each pair pivoted together in the middle and connected with the next pair at the extremities.
- lead story — the principal story in a newspaper
- leaseholds — Plural form of leasehold.
- legislator — a person who gives or makes laws.
- leiomyomas — Plural form of leiomyoma.