15-letter words containing l, o, s, t, i
- apple macintosh — Macintosh
- applesoft basic — (language) A version of BASIC for Apple computers.
- approach lights — lights on the runway that guide planes coming in to land
- aristotelianism — a philosophical tradition based on the wide-ranging belief system of Aristotle
- articles of war — the disciplinary and legal procedures by which the naval and military forces of Great Britain were bound before the 19th century
- asiatic cholera — cholera (def 1).
- assimilationism — the theory of promoting the incorporation and mixing of different groups in society
- assimilationist — a person who favours and promotes the incorporation and mixing of different groups in society
- association law — any law governing the association of ideas
- astrobiologists — Plural form of astrobiologist.
- astronautically — In an astronautic way.
- astrophysically — from an astrophysical point of view
- at pistol point — being under or using the threat of being shot
- atherosclerosis — a degenerative disease of the arteries characterized by patchy thickening of the inner lining of the arterial walls, caused by deposits of fatty material; a form of arteriosclerosis
- atherosclerotic — Of, pertaining to, or afflicted with atherosclerosis.
- athletic sports — sports, esp track and field events, in which athleticism is required
- atlantic salmon — a valuable food and game fish, Salmo salar, mainly of northern coastal Atlantic waters or, when spawning, in freshwater streams tributary to the ocean.
- atlas mountains — a mountain system of N Africa, between the Mediterranean and the Sahara. Highest peak: Mount Toubkal, 4165 m (13 664 ft)
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atrabiliousness — The state or quality of being characterized by melancholy or glumness.
- autocannibalism — The eating of part of one's own body.
- aviator glasses — sunglasses that look like goggles
- bacterial ghost — a bacterial cell that is emptied and filled artificially with another substance
- balanoposthitis — An inflammation of the glans penis and the prepuce.
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- battle of wills — A battle of wills is a situation that involves people who try to defeat each other by refusing to change their own aims or demands and hoping that their opponents will weaken first.
- battle stations — the places to which soldiers, sailors, warships, etc. are assigned for a battle or an emergency
- be lost without — If you say that you would be lost without someone or something, you mean that you would be unhappy or unable to work properly without them.
- bessel function — one of several transcendental functions, usually represented as power series, that are solutions to a group of related differential equations.
- billings method — a natural method of birth control that involves examining the colour and viscosity of the cervical mucus to discover when ovulation is occurring
- biodestructible — biodegradable
- biopsychologist — a field of psychology that deals with the effects of biological factors on behavior.
- biot-savart law — the law that the magnetic induction near a long, straight conductor, as wire, varies inversely as the distance from the conductor and directly as the intensity of the current in the conductor.
- biting housefly — a two-winged fly, Stomoxys calcitrans, having the mouthparts adapted for biting, and commonly a household and stable pest.
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg
- black mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- blast injection — the injection of liquid fuel directly into the cylinder of an internal-combustion engine using a blast of high-pressure air to atomize the spray of fuel
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- bloodguiltiness — guilty of murder or bloodshed.
- boiled potatoes — potatoes, usually peeled, cooked in boiling water
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bristol fashion — clean and neat, with newly painted and scrubbed surfaces, brass polished, etc
- british council — an organization founded (1934) to extend the influence of British culture and education throughout the world
- british telecom — the popular name for British Telecommunications Group plc, the dominant fixed line telecommunications and broadband internet provider in the United Kingdom
- bronchial tubes — the bronchi or their smaller divisions
- brownfield site — a disused site envisaged for redevelopment
- buffer solution — a solution to which a salt of a weak acid or base has been added
- cannibalisation — Alternative form of cannibalization.
- capitalizations — Plural form of capitalization.
- capitulationism — advocacy or approval of capitulation.