15-letter words containing a, l, m, i
- 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.
- atomic cocktail — an aqueous solution of radioactive substance administered orally as part of the treatment for cancer
- australian mist — a breed of medium-sized cat with a short spotted or marbled coat
- autocannibalism — The eating of part of one's own body.
- autocollimation — the process used in an autocollimator.
- automatic pilot — An automatic pilot or an autopilot is a device in an aircraft that automatically keeps it on a particular course.
- automatic rifle — a type of light machine gun capable of firing automatically or in single shots.
- automorphically — in an automorphic manner
- bacchanalianism — the practice of bacchanalian behaviour; drunken revelry
- baggage reclaim — the process of passengers' getting back the baggage that they have checked in for a flight
- bahasa malaysia — the dialect of Malay used as the official language of Malaysia.
- ball ammunition — live small-arms ammunition
- ballet mistress — a woman who teaches and rehearses the dancers in a ballet company
- bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
- barberry family — the plant family Berberidaceae, characterized by shrubs and herbaceous plants having very varied leaves and flowers and fruit in the form of a berry or capsule, and including the barberry, May apple, and Oregon grape.
- barium chloride — a poisonous compound, BaCl2, consisting of flat white crystals that are soluble in water: it is used to treat water, metals, leather, etc.
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- bathymetrically — In a bathymetric way.
- bear animalcule — tardigrade (def 3).
- biblia pauperum — any of the picture books illustrating Biblical events and usually containing a short text, used chiefly in the Middle Ages for purposes of religious instruction.
- billing machine — a business machine used to itemize and total customer accounts, produce bills, post account records, etc.
- binomial series — an infinite series obtained by expanding a binomial raised to a power that is not a positive integer.
- bioaccumulation — the process in which industrial waste, toxic chemicals, etc. gradually accumulate in living tissue
- biomathematical — relating to biomathematics
- biomechanically — from a biomechanical point of view
- 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 guillemot — a common guillemot, Cepphus grylle: its summer plumage is black with white wing patches and its winter plumage white with greyish wings
- 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)
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blenheim orange — a type of apple tree bearing gold-coloured apples
- blenheim palace — a palace in Woodstock in Oxfordshire: built (1705–22) by Sir John Vanbrugh for the 1st Duke of Marlborough as a reward from the nation for his victory at Blenheim; gardens laid out by Henry Wise and Capability Brown; birthplace of Sir Winston Churchill (1874)
- blindman's buff — a game in which a blindfolded player has to catch and identify another player
- bouillotte lamp — a table lamp of the 18th century, having two or three adjustable candle brackets and a common shade sliding on a central shaft.
- bowel complaint — bowel disease or condition
- brazilian plume — a tropical American plant, Justicia carnea, of the acanthus family, having hairy, prominently veined leaves and a short, dense cluster of purple or pink flowers, grown in greenhouses or outdoors in warm regions.
- britannia metal — an alloy of low melting point consisting of tin with 5–10 per cent antimony, 1–3 per cent copper, and sometimes small quantities of zinc, lead, or bismuth: used for decorative purposes and for bearings
- brown-tail moth — a white moth, Nygmia phaerrhoea, having a brown tuft at the end of the abdomen, the larvae of which feed on the foliage of various shade and fruit trees.
- bulimia nervosa — a disorder characterized by compulsive overeating followed by vomiting: sometimes associated with anxiety about gaining weight
- cacodaemoniacal — Demonic; evil.
- cadmium sulfate — a water-soluble compound, CdSO 4 , of colorless crystals, used as an antiseptic.
- cadmium sulfide — a toxic pigment, CdS, varying from lemon yellow (cadmium yellow) to yellowish orange (cadmium orange) and used in paints, photocells, semiconductors, etc.
- calamine lotion — a soothing lotion containing calamine
- calcium blocker — any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.
- calcium carbide — a grey salt of calcium used in the production of acetylene (by its reaction with water) and calcium cyanamide. Formula: CaC2
- calcium citrate — the calcium salt of citric acid, used as a food additive
- calcium cyanide — a white or grayish-black compound, Ca(CN) 2, used as an insecticide and rodent poison.
- calcium lactate — a salt of lactic acid. Formula: Ca(C3H5O3)2·5H2O
- calcium nitrate — a white, deliquescent solid, Ca(NO 3) 2 , used chiefly in the manufacture of fertilizers, fireworks, matches, and explosives.
- calcium oxalate — a white, crystalline powder, CaC 2 O 4 , insoluble in water, used in making oxalic acid.