14-letter words containing a, e, r, o
- art collection — a collection of art works
- art exhibition — an exhibition of works of art such as pictures
- arteriographic — relating to arteriography
- arthrocentesis — The clinical procedure of using a syringe to collect synovial fluid from a joint capsule, used in the diagnosis of gout, arthritis, and synovial infections.
- arthroplasties — Plural form of arthroplasty.
- as a matter of — If you are going to do something as a matter of urgency or priority, you are going to do it as soon as possible, because it is important.
- assault course — An assault course is an area of land covered with obstacles such as walls which people, especially soldiers, use to improve their skills and strength.
- assembly rooms — a set of rooms used as a public place of entertainment, usually dating from the eighteenth or nineteenth century
- assemblyperson — a member of a legislative assembly, especially a member of the lower house of the legislature in certain states of the U.S.
- assert oneself — to insist on one's rights, or on being recognized
- asthenospermia — (medicine) Loss or reduction in the strength or energy of sperm cells, hence infertility. Not always infertile many are subfertile.
- asthenospermic — (medicine) Characterised by or pertaining to asthenospermia, hence infertile.
- asthenospheric — relating to the asthenosphere
- astigmatometer — an apparatus for measuring the degree of astigmatism.
- 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
- 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 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.
- 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
- 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
- audio response — a computer response that is audible rather than textual or graphical
- 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.
- 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.
- autobiographer — a person who writes the story of his or her own life
- autocorrelator — (electronics) A device that modifies a signal with a delayed copy of itself in order to detect any periodic signal hidden in the noise.
- autocovariance — (statistics) The covariance of a signal with another part of the same signal.
- autodestructed — Simple past tense and past participle of autodestruct.
- autoenrollment — Automatic enrollment (especially of security certificates in a computer system).
- autoreactivity — (immunology) The condition of being autoreactive.
- autoregression — (mathematics) An autoregressive process that is used to model many types of natural behaviour.
- autoregressive — (statistics) Employing autoregression, using a weighted sample of past data to predict future results.
- autoregulation — the continual automatic adjustment or self-regulation of a biochemical, physiological, or ecological system to maintain a stable state.
- autoresponders — Plural form of autoresponder.
- autotetraploid — an individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of an ancestral chromosome complement
- auxiliary note — a nonharmonic note occurring between two harmonic notes
- auxiliary tone — a melodic ornamental tone following a principal tone by a step above or below and returning to the principal tone; embellishment.
- avalokitesvara — a male Bodhisattva, widely revered and identified with various persons and gods.
- avariciousness — The state or quality of being avaricious.
- award ceremony — ceremony at which an award is presented