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15-letter words containing r, a, t, e

  • australian pine — casuarina
  • authoritatively — having due authority; having the sanction or weight of authority: an authoritative opinion.
  • autobiographers — Plural form of autobiographer.
  • autobiographies — Plural form of autobiography.
  • autocorrelation — the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independent
  • autocorrelative — Relating to autocorrelation.
  • autodestructive — likely to cause one's own destruction
  • autofluorescent — Of, pertaining to, or exhibiting autofluorescence.
  • automata theory — the formal study of the power of computation of abstract machines
  • automatic drive — an automotive transmission requiring either very little or no manual shifting of gears.
  • automatic rifle — a type of light machine gun capable of firing automatically or in single shots.
  • autostereoscopy — The display of stereoscopic images without the use of special viewing equipment.
  • autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
  • autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
  • avant la lettre — before the (specified) concept, word, person, etc. existed
  • aviator glasses — sunglasses that look like goggles
  • azerty keyboard — a common European version of typewriter keyboard layout with the characters a, z, e, r, t, and y positioned on the top row of alphabetic characters at the left side of the keyboard
  • back plastering — the introduction of partitions of lath and plaster between the inner and outer surfaces of a stud wall in order to improve the insulating properties of the wall.
  • back projection — a method of projecting pictures onto a translucent screen so that they are viewed from the opposite side, used esp in films to create the illusion that the actors in the foreground are moving
  • backseat driver — If you refer to a passenger in a car as a backseat driver, they annoy you because they constantly give you advice about how to drive.
  • backup software — (tool, software)   Software for doing a backup, often included as part of the operating system. Backup software should provide ways to specify what files get backed up and to where. It may include its own scheduling function to automate the procedure or, preferably, work with generic scheduling facilities. It may include facilities for managing the backup media (e.g. maintaining an index of tapes) and for restoring files from backups. Examples are Unix's dump command and Windows's ntbackup.
  • baconian theory — the theory attributing the authorship of Shakespeare's plays to Francis Bacon.
  • bacterial ghost — a bacterial cell that is emptied and filled artificially with another substance
  • bacteriological — Of or relating to bacteriology or bacteria.
  • bacteriophagous — Pertaining to the predation and consumption of bacterium.
  • balance control — a state of equilibrium or equipoise; equal distribution of weight, amount, etc.
  • ballet mistress — a woman who teaches and rehearses the dancers in a ballet company
  • banded anteater — an Australian marsupial, Myrmecobius fasciatus, feeding on termites and having the body marked with whitish transverse bars: nearly extinct.
  • bandpass filter — A bandpass filter is a filter designed to pass all frequencies within a band of frequencies.
  • bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
  • bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
  • baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
  • bar examination — a written examination to determine if one is qualified to practice law in a particular jurisdiction.
  • bare infinitive — an infinitive verb form without to, used with certain auxiliary verbs , as in I must go. All I did was ask. We might win.
  • barefoot doctor — (esp in developing countries) a worker trained as a medical auxiliary in a rural area who dispenses medicine, gives first aid, assists at childbirth, etc
  • bargain counter — a store counter on which goods are displayed for sale at reduced prices
  • barium chromate — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
  • barium stearate — a white, crystalline, water-insoluble solid, Ba(C 18 H 35 O 2) 2 , used chiefly as a waterproofing agent and as a lubricant.
  • barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
  • barium titanate — a crystalline ceramic used in capacitors and piezoelectric devices. Formula: BaTiO3
  • barn-door skate — an Atlantic skate, Raja laevis, that grows to a length of 4 feet (1.2 meters) or more.
  • barothermograph — an automatic instrument for recording pressure and temperature.
  • barycentrically — In a barycentric manner.
  • basic autocoder — Early system on IBM 7070. Listed in CACM 2(5):16 (May 1959).
  • bathroom scales — scales typically kept in a bathroom for people to weigh themselves
  • bathymetrically — In a bathymetric way.
  • bathythermogram — a record made by a bathythermograph.
  • battery charger — a device that can restore the charge to a battery, usually by means of electricity
  • battery farming — the activity of using batteries for raising poultry
  • batting average — in baseball, a figure expressing the average batting efficiency of a player or team, figured by dividing the number of base hits by the number of official at-bats
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