17-letter words containing t, o, r, s
- anti-conservative — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
- anticipatory loss — grief that is felt in anticipation of someone's death
- antiprostaglandin — A prostaglandin inhibitor.
- antivirus program — antivirus software
- apostolic fathers — the Fathers of the early Church who immediately followed the Apostles
- archconservatives — Plural form of archconservative.
- aristolochiaceous — belonging to the Aristolochiaceae, the birthwort family of plants.
- arlington heights — village in NE Ill.: suburb of Chicago: pop. 76,000
- armaments factory — a factory for producing armaments
- arresting officer — the police officer making an arrest
- artificial person — a human being, whether an adult or child: The table seats four persons.
- artistic director — a person in charge of the artistic direction of a theatre company
- as far as it goes — If you say that something is good as far as it goes or true so far as it goes, you mean that it is good or true only to a limited extent.
- as the crow flies — If you say that a place is a particular distance away as the crow flies, you mean that it is that distance away measured in a straight line.
- ascend the throne — to become king or queen
- ascertained goods — specific goods
- ashton-under-lyne — a town in NW England, in Tameside unitary authority, Greater Manchester. Pop: 43 236 (2001)
- ask for the check — If you ask for the check, you ask the waitperson in a restaurant to bring you a piece of paper on which the price of your meal is written.
- associate of arts — a degree granted especially by junior colleges after completion of two years of study. Abbreviation: A.A.
- association fiber — any of several nerve fibers connecting different areas of the cerebral cortex in the same hemisphere.
- associative array — (programming) (Or "hash", "map", "dictionary") An array where the indices are not just integers but may be arbitrary strings.
- astral projection — the departure of the astral body from the physical body, in order to travel to the astral plane
- astronomical unit — a unit of distance used in astronomy equal to the mean distance between the earth and the sun. 1 astronomical unit is equivalent to 1.495 × 1011 metres or about 9.3 × 107 miles
- astronomical year — year (def 4b).
- astrophotographer — A person, especially an astronomer, who takes photographs of the stars.
- at close quarters — If you do something at close quarters, you do it very near to a particular person or thing.
- at cross purposes — an opposing or contrary purpose.
- at cross-purposes — If people are at cross-purposes, they do not understand each other because they are working towards or talking about different things without realizing it.
- at one's own risk — If you tell someone that they are doing something at their own risk, you are warning them that, if they are harmed, it will be their own responsibility.
- at swords' points — ready to quarrel or fight
- at the request of — in accordance with the specific demand or wish of (someone)
- at the service of — To be at the service of a person or organization means to be available to help or be used by that person or organization.
- attorneys-in-fact — a person authorized by power of attorney to act on the authorizer's behalf outside a court of law.
- attraction sphere — centrosphere (sense 1)
- audio description — a facility provided for visually impaired people in which a film, television programme, or play is described through audio technology
- aurea mediocritas — the golden mean.
- australian ballot — an official ballot listing candidates for election to public office and issues, levies, etc., distributed inside the polling place to be marked by the voter in secret: it originated in Australia and is widely used in the U.S.
- australopithecine — any of various extinct apelike primates of the genus Australopithecus and related genera, remains of which have been discovered in southern and E Africa. Some species are estimated to be over 4.5 million years old
- authoritativeness — having due authority; having the sanction or weight of authority: an authoritative opinion.
- auxiliary storage — secondary storage.
- aviation industry — a collective term for the companies involved in air transport
- avogadro constant — the number of atoms or molecules in a mole of a substance
- axis of ordinates — y-axis (def 1).
- axis-of-ordinates — y-axis (def 1).
- bachelor's button — any of several plants of a genus (Centaurea) of the composite family, that have scaly, vase-shaped bracts below the white, pink, or blue flowers; esp., the cornflower and knapweed
- bachelor's-button — any of various plants with round flower heads, especially the cornflower.
- back on the rails — If something is back on the rails, it is beginning to be successful again after a period when it almost failed.
- bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
- barchester towers — a novel (1857) by Anthony Trollope.
- barrel distortion — distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards