14-letter words containing a, r
- astigmatometer — an apparatus for measuring the degree of astigmatism.
- astrobiologist — a person who studies astrobiology
- astrochemistry — the study of the chemistry of celestial bodies and space, esp by means of spectroscopy
- astrocompasses — Plural form of astrocompass.
- astrogeologist — a person who studies astrogeology
- astrolithology — The science of aerolites.
- astrologically — In an astrological manner.
- astronavigator — One who performs astronavigation; an astronaut or space pilot.
- astronomically — of, relating to, or connected with astronomy.
- astrophysicist — An astrophysicist is someone who studies astrophysics.
- asymmetrically — not identical on both sides of a central line; unsymmetrical; lacking symmetry: Most faces are asymmetric.
- asynchronicity — (uncountable) The state of being asynchronous.
- asynchronistic — Not synchronistic.
- asynchronously — In an asynchronous manner.
- at (the) worst — You use at worst or at the worst to indicate that you are mentioning the worst thing that might happen in a situation.
- at close range — If you see or hit something at close range or from close range, you are very close to it when you see it or hit it. If you do something at a range of half a mile, for example, you are half a mile away from it when you do it.
- at first blush — when first seen; as a first impression
- at first sight — If you say that something seems to have certain characteristics at first sight, you mean that it appears to have the features you describe when you first see it but later it is found to be different.
- at loggerheads — If two or more people or groups are at loggerheads, they disagree very strongly with each other.
- at one's mercy — compassionate or kindly forbearance shown toward an offender, an enemy, or other person in one's power; compassion, pity, or benevolence: Have mercy on the poor sinner.
- at one's peril — If you say that someone does something at their peril, you are warning them that they will probably suffer as a result of doing it.
- at one's worst — When someone is at their worst, they are as unpleasant, bad, or unsuccessful as it is possible for them to be.
- atacama desert — a desert region along the W coast of South America, mainly in N Chile: a major source of nitrates. Area: about 80 000 sq km (31 000 sq miles)
- athletic heart — nonpathological enlargement of the heart resulting from intensive aerobic exercise.
- atlantic liner — a large passenger ship that regularly crosses the Atlantic Ocean
- atomic orbital — Physics, Chemistry. a wave function describing the state of a single electron in an atom (atomic orbital) or in a molecule (molecular orbital) the electron in that state.
- atomic reactor — reactor (def 4).
- atomic veteran — a veteran of the armed forces who was exposed to radioactivity during the testing or use of nuclear (atomic) weapons in World War II or subsequent wars.
- atomic warfare — war in which nuclear weapons are used
- atomic-powered — powered by atomic energy
- atrial flutter — irregular heart rhythm
- attitudinarian — a person who assumes an affected attitude
- attractability — The quality of being attractable.
- attractiveness — providing pleasure or delight, especially in appearance or manner; pleasing; charming; alluring: an attractive personality.
- attrition rate — the rate at which customers or subscribers switch from one supplier to another
- auction bridge — a variety of bridge, now generally superseded by contract bridge, in which all the tricks made score towards the game
- audience share — the percentage of households with television sets in use or tuned to a particular station during a specific period of time.
- audio response — a computer response that is audible rather than textual or graphical
- auditory canal — the narrow passageway from the outer ear to the eardrum.
- auditory nerve — either of the eighth pair of cranial nerves, which connect the ear with the brain and carry impulses relating to sound and balance
- auger-electron — a nonradiative process in which an atom in an excited state undergoes a transition to a lower state by the emission of a bound electron (Auger electron) rather than by the emission of an x-ray.
- aurothiomalate — (chemistry) A thiomalate with the addition of gold.
- aussie battler — an Australian working-class person
- austrian blind — a window blind consisting of rows of vertically gathered fabric that may be drawn up to form a series of ruches
- austrian shade — a window shade in which the fabric falls in a series of puffy festoons created by vertical rows of shirring.
- austro-asiatic — a hypothetical phylum or superfamily of languages consisting of Mon-Khmer and certain other languages of India and South-East Asia. Links with Malayo-Polynesian have also been suggested
- author catalog — a catalog whose entries are listed by author, editor, compiler, translator, or other party considered to have responsibility for the creation or assembly of the work specified.
- authorisations — Plural form of authorisation.
- authoritarians — Plural form of authoritarian.
- authority file — a file, either on cards or in machine-readable format, in which decisions involving bibliographic records, particularly for form of entry, are recorded to establish a precedent or rule for subsequent decisions and to provide for consistency of entries.