16-letter words containing o, s
- arthus' reaction — a severe, local immune reaction to the injection of an antigen in a sensitized host.
- as a last resort — If you do something as a last resort, you do it because you can find no other way of getting out of a difficult situation or of solving a problem.
- as distinct from — If you say that you are talking about one thing as distinct from another, you are indicating exactly which thing you mean.
- as far as i know — You can use far in expressions like 'as far as I know' and 'so far as I remember' to indicate that you are not absolutely sure of the statement you are about to make or have just made, and you may be wrong.
- as is one's wont — If someone does a particular thing as is their wont, they do that thing often or regularly.
- as likely as not — very probably
- ascidian tadpole — the free-swimming larva of an ascidian, having a tadpole-like tail containing the notochord and nerve cord
- ashmolean museum — a museum, attached to Oxford University and founded in 1683, noted for its paintings and archaeological collections
- ask for feedback — If you ask for feedback, you ask someone, such as a guest in a hotel, to tell you if they enjoyed their stay and what could be improved.
- assembly routine — assembler (def 2a).
- assigned counsel — any private lawyer designated by a city or county court to represent indigent defendants in criminal cases at public expense.
- assimilationists — Plural form of assimilationist.
- assistant editor — a person who assists an editor in their work
- associate degree — An associate degree is a college degree that is awarded to a student who has completed a two-year course of study.
- associate member — a person who is a member of a club, organization etc. but has only partial rights and privileges or subordinate status
- associated state — a nation with limited sovereignty, especially a former colony that now assumes responsibility for domestic affairs but continues to depend on the colonial ruler for defense and foreign policy.
- association area — any of the regions of the cerebral cortex of the brain connected by numerous nerve fibers to all parts of both cerebral hemispheres and coordinating such higher activities as learning and reasoning.
- associationistic — Of or pertaining to associationism.
- aston dark space — the dark region between the cathode and the cathode glow in a vacuum tube, occurring when the pressure is low.
- astroarchaeology — archaeoastronomy.
- astroengineering — (scifi) The construction of megastructures in space by technologically advanced beings.
- astrometeorology — the study of the theoretical effects of astronomical bodies and forces on the earth's atmosphere.
- astronomer royal — an honorary title awarded to an eminent British astronomer: until 1972, the Astronomer Royal was also director of the Royal Greenwich Observatory
- astrophotography — the photography of celestial bodies used in astronomy
- asymptomatically — showing no evidence of disease.
- at one's leisure — when one has free time
- atmospheric tide — a movement of atmospheric masses caused by the gravitational attraction of the sun and moon and by daily solar heating.
- atomic mass unit — a unit of mass used to express atomic and molecular weights that is equal to one twelfth of the mass of an atom of carbon-12. It is equivalent to 1.66 × 10–27 kg
- atomic physicist — a scientist specializing in atomic physics
- atomic structure — the concept of an atom as a central positively charged nucleus consisting of protons and neutrons surrounded by a number of electrons. The number of electrons is equal to the number of protons: the whole entity is thus electrically neutral
- atwood's machine — a device consisting of two unequal masses connected by a string passed over a pulley, used to illustrate the laws of motion.
- audiovisual aids — training or educational materials directed at both the sense of hearing and the sense of sight; films, recordings, photographs, etc., used in classroom instruction, library collections, or the like.
- auditory aphasia — aphasia in which there is no comprehension of spoken words; word deafness.
- auditory vesicle — the pouch that is formed by the invagination of an ectodermal placode and that develops into the internal ear.
- aulnay-sous-bois — a town in N central France, a suburb NE of Paris.
- aurora australis — the aurora seen around the South Pole
- australopithecus — an extinct genus of small-brained,large-toothed bipedal hominids that lived in Africa between one and four million years ago.
- austro-hungarian — of or relating to the Dual Monarchy of Austria-Hungary (1867–1918)
- authoritarianism — Authoritarianism is the state of being authoritarian or the belief that people with power, especially the State, have the right to control other people's actions.
- autofluorescence — (biology, microscopy) Self-induced fluorescence.
- automatic pistol — a type of pistol having a mechanism that throws out the empty shell, puts in a new one, and prepares the pistol to be fired again.
- autoregressively — In an autoregressive manner.
- autostereoscopic — Of or pertaining to autostereoscopy.
- autotransformers — Plural form of autotransformer.
- autotransfusions — Plural form of autotransfusion.
- avail oneself of — to make use of to one's advantage
- avalon peninsula — a large peninsula of Newfoundland, between Trinity and Placentia Bays. Area: about 10 000 sq km (4000 sq miles)
- aversion therapy — a method of suppressing an undesirable habit, such as excessive smoking, by causing the subject to associate an unpleasant effect, such as an electric shock or nausea, with the habit
- away from sb/sth — If something is away from a person or place, it is at a distance from that person or place.
- axis of symmetry — Mathematics. a straight line for which every point on a given curve has corresponding to it another point such that the line connecting the two points is bisected by the given line.