15-letter words containing y, e, i, s
- absent-mindedly — so lost in thought that one does not realize what one is doing, what is happening, etc.; preoccupied to the extent of being unaware of one's immediate surroundings.
- abyssinian well — a perforated pipe driven into the ground for pumping out collected ground water; wellpoint.
- accessory fruit — a fruit having enlarged accessory structures in addition to those formed from the ovary, as the strawberry, in which the fleshy tissue is the enlarged receptacle and the true fruits are the small, dry achenes borne on its surface
- acetylsalicylic — as in acetylsalicylic acid, aspirin
- actinochemistry — the branch of chemistry dealing with actinism; photochemistry.
- activity series — a table of metals, listed in the order of their ability to replace other metals while in solution
- adenohypophysis — the anterior lobe of the pituitary gland
- admiralty house — the official residence of the Governor General of Australia, in Sydney
- aegyptopithecus — a genus of extinct anthropoid ape of the Oligocene Period known from remains found in Egypt.
- aerodynamicists — Plural form of aerodynamicist.
- air-superiority — designating a fighter aircraft built for long patrol capability at high altitudes and supersonic speeds, with air-to-air combat as its principal mission.
- amaryllidaceous — of, relating to, or belonging to the Amaryllidaceae, a family of widely cultivated flowering plants having bulbs and including the amaryllis, snowdrop, narcissus, and daffodil
- amenity society — a voluntary society established with the purpose of preserving historic art and architecture
- amery ice shelf — an ice barrier in Antarctica, in the SW Indian Ocean, bordered by Enderby Land on the N and American Highland on the W.
- aminoglycosides — Plural form of aminoglycoside.
- anaesthesiology — the science of administering anesthetics.
- anaesthetically — by means of an anaesthetic
- ancient history — Ancient history is the history of ancient civilizations, especially Greece and Rome.
- ancient of days — a name for God, originating in the Authorized Version of the Old Testament (Daniel 7:9)
- anniversary day — a day for celebrating the foundation date of one of the former Provinces
- antihypotensive — An antihypotensive is any drug that raises low blood pressure.
- archiepiscopacy — a form of church government in which power is vested in archbishops.
- army air forces — a unit comprising almost all aviation, with its personnel, equipment, etc.: it became part of the Air Force on July 26, 1947.
- asymmetric bars — a pair of wooden or fibreglass bars placed parallel to each other but set at different heights, for various exercises
- asymmetric time — musical time consisting of an odd number of beats in each bar divided into uneven combinations, such as 3 + 2, 4 + 3, 2 + 3 + 2, etc
- at your service — You can use 'at your service' after your name as a formal way of introducing yourself to someone and saying that you are willing to help them in any way you can.
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- attitude survey — a survey of the opinions held by a particular group of people
- audubon society — a North American organization devoted to the conservancy of birds
- barley sandwich — a drink of beer, esp at lunch time
- basic anhydride — a compound formed by removing water from a more complex compound: an oxide of a nonmetal (acid anhydride) or a metal (basic anhydride) that forms an acid or a base, respectively, when united with water.
- basidiomycetous — belonging or pertaining to the basidiomycetes.
- battleship gray — a subdued bluish gray.
- benefit society — an organization which, by means of dues, secures for its members certain benefits, such as life insurance, hospitalization, etc.
- benefits agency — an agency that handles the payment of benefits
- beyond question — a sentence in an interrogative form, addressed to someone in order to get information in reply.
- bias (ply) tire — a motor vehicle tire having a foundation of plies of rubberized cords in a crisscross pattern of lines diagonal to the center line of the tread
- big sandy creek — a river in central Colorado, flowing NE and SE to the Arkansas River near Lamar: site of the 1864 Sand Creek Massacre. 200 miles (322 km) long.
- biogeochemistry — the science of biological, chemical, and geological aspects of the environment
- bird's eye view — You say that you have a bird's eye view of a place when you are looking down at it from a great height, so that you can see a long way but everything looks very small.
- biting housefly — a two-winged fly, Stomoxys calcitrans, having the mouthparts adapted for biting, and commonly a household and stable pest.
- blended whiskey — whiskey that is a blend of straight whiskey and neutral spirits or of two or more straight whiskeys
- blessed trinity — Trinity (def 1).
- body mass index — A person's body mass index is a measurement that represents the relationship between their weight and their height.
- braille display — (hardware) (Or "refreshable braille display", "refreshable display") An electromechanical device that renders braille with tiny, independently controlled pins used to represent the state of dots in braille cells. Each pin, in its "on" state, raises above the top of its hole in the screen; in its "off" state, it drops below the top of its hole. Older systems used tiny solenoids to control the state of the pins; modern systems are piezoelectric. Typical dimensions of a braille display are 1 line of 40 cells, each cell of two-by-eight dots.
- cafeteria-style — set up to allow a variety of choices.
- cape chelyuskin — a cape in N central Russia, in N Siberia at the end of the Taimyr Peninsula: the northernmost point of Asia
- cardinal system — a system of coding navigational aids by shape, color, and number, according to their positions relative to navigational hazards.
- cassini-huygens — a NASA-ESA spacecraft launched in 1997 to study Saturn and its moons; Cassini entered orbit around the planet in 2004 and released the Huygens probe which landed on Titan in 2005
- centrosymmetric — having symmetry with a central point
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