15-letter words that end in s
- astrobiologists — Plural form of astrobiologist.
- astrophysicists — Plural form of astrophysicist.
- asymmetric bars — a pair of wooden or fibreglass bars placed parallel to each other but set at different heights, for various exercises
- at right angles — If two things are at right angles, they are situated so that they form an angle of 90° where they touch each other. You can also say that one thing is at right angles to another.
- at the controls — If someone is at the controls of a machine or other piece of equipment, they are operating it.
- 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
- athletic sports — sports, esp track and field events, in which athleticism is required
- atlas mountains — a mountain system of N Africa, between the Mediterranean and the Sahara. Highest peak: Mount Toubkal, 4165 m (13 664 ft)
- atrabiliousness — The state or quality of being characterized by melancholy or glumness.
- aurora borealis — the aurora seen around the North Pole
- australian alps — a mountain range in SE Australia, in E Victoria and SE New South Wales. Highest peak: Mount Kosciuszko, 2195 m (7316 ft)
- authentications — Plural form of authentication.
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- automatic focus — a system in a camera which automatically adjusts the lens so that the object being photographed is in focus, often one using infrared light to estimate the distance of the object from the camera
- autoradiographs — Plural form of autoradiograph.
- autotransplants — Plural form of autotransplant.
- aviator glasses — sunglasses that look like goggles
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- balanoposthitis — An inflammation of the glans penis and the prepuce.
- ballet mistress — a woman who teaches and rehearses the dancers in a ballet company
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- basidiomycetous — belonging or pertaining to the basidiomycetes.
- basses-pyrenees — former name of Pyrénées-Atlantiques.
- bathroom scales — scales typically kept in a bathroom for people to weigh themselves
- 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 of two minds — to be undecided or irresolute
- be on the skids — to be on the decline or downgrade; meet with failure
- beat one's gums — to talk much and idly
- beat the bounds — (formerly) to define the boundaries of a parish by making a procession around them and hitting the ground with rods
- beat the bushes — a low plant with many branches that arise from or near the ground.
- bedford heights — a town in N Ohio.
- belt-and-braces — providing double security, in case one security measure should fail
- ben day process — a method of adding texture, shading, or detail to line drawings by overlaying a transparent sheet of dots or any other pattern during platemaking
- bergius process — a method of hydrogenation formerly used with coal to produce an oil similar to petroleum.
- berkshire hills — region of wooded hills in W Mass.: resort area
- bet one's boots — to be certain
- binomial series — an infinite series obtained by expanding a binomial raised to a power that is not a positive integer.
- bioastronautics — the study of the effects of space flight on living organisms
- bits and pieces — You can use bits and pieces or bits and bobs to refer to a collection of different things.
- bittersweetness — the quality of being bittersweet
- 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)
- blanc de blancs — white wine, esp. champagne, made from white grapes
- blasphemousness — the quality of being blasphemous
- blocked records — (storage) Several records written as a contiguous block on magnetic tape so that they may be accessed in a single I/O operation. Blocking increases the amount of data that may be stored on a tape because there are fewer inter-block gaps. It requires that the tape drive or processor have a sufficiently large buffer to store the whole block.
- bloodguiltiness — guilty of murder or bloodshed.
- bloody butchers — a hardy plant, Trillium sessile, common from New York to Georgia and westward, having stalkless, purple or green flowers.
- blue-eyed grass — any of various mainly North American iridaceous marsh plants of the genus Sisyrinchium that have grasslike leaves and small flat starlike blue flowers
- boiled potatoes — potatoes, usually peeled, cooked in boiling water