9-letter words containing a, p, r
- auraptene — A bioactive monoterpene coumarin ether that helps to prevent degenerative diseases, first isolated from the genus Citrus.
- auriscope — a medical instrument for examining the external ear
- auriscopy — (medicine) Examination of the ear using an auriscope.
- austemper — to harden (steel) by heating and quenching to render it austenitic.
- autograph — An autograph is the signature of someone famous which is specially written for a fan to keep.
- autoreply — a facility for sending automated replies to email messages
- autospore — a nonmotile algal spore that develops adult characteristics before being released
- autotroph — any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists.
- auxospore — a diatom cell before its silicaceous cell wall is formed
- auxotroph — a mutant strain of microorganism having nutritional requirements additional to those of the normal organism
- avoparcin — an antibiotic, now banned in the EU, formerly used to treat farm animals
- azeotrope — a mixture of liquids that boils at a constant temperature, at a given pressure, without change of composition
- azeotropy — the existence of azeotropes
- azo group — the bivalent group −N=N− united to two aromatic groups, as in azobenzene.
- babyproof — made safe for babies to come into contact with
- backdrops — Plural form of backdrop.
- backer-up — a supporter; backer; second.
- backprint — The mark or impression left by a person's back having been pressed against a surface.
- backspeir — to cross-examine, interrogate
- backstrap — A pull strap extending the backstay of a boot or shoe.
- bad paper — a less-than-honorable discharge from military service.
- bad-press — to act upon with steadily applied weight or force.
- bagpipers — Plural form of bagpiper.
- ballparks — Plural form of ballpark.
- bankrupts — Third-person singular simple present indicative form of bankrupt.
- baptistry — a part of a Christian church in which baptisms are carried out
- bar clamp — a clamp having two jaws attached to a bar, one fixed and the other adjustable by means of a screw mechanism.
- bar graph — A bar graph is the same as a bar chart.
- bar-spoon — a long-handled spoon, usually having the capacity of a teaspoon, used for mixing or measuring ingredients for alcoholic drinks.
- bargepole — a long pole used to propel a barge
- barhopped — Simple past tense and past participle of barhop.
- barkeeper — A barkeeper is someone who serves drinks behind a bar.
- barograph — a self-recording aneroid barometer
- barophile — An organism that lives and thrives under high barometric pressure; a form of extremophile.
- baroscope — any instrument for measuring atmospheric pressure, esp a manometer with one side open to the atmosphere
- barotropy — a state of fluid stratification in which surfaces of constant pressure and others of constant density do not intersect but are parallel.
- barperson — a person who serves in a pub: used esp in advertisements
- base pair — a pair of bases consisting of the pyrimidine base of one nucleotide joined by a hydrogen bond to the complementary purine base of another nucleotide: such pairs form the links between the two strands of DNA and of double-stranded RNA
- bear trap — snare to catch bears
- bedspread — A bedspread is a decorative cover which is put over a bed, on top of the sheets and blankets.
- below par — If you say that someone or something is below par or under par, you are disappointed in them because they are below the standard you expected.
- beplaster — to cover in thick plaster
- bespatter — to splash all over, as with dirty water
- bhagalpur — a city in India, in Bihar: agriculture, textiles, university (1960). Pop: 340 349 (2001)
- bhaktapur — a city in E central Nepal, near Kathmandu.
- biography — A biography of someone is an account of their life, written by someone else.
- bioparent — a biological parent
- biopiracy — the use of wild plants by international companies to develop medicines, without recompensing the countries from which they are taken
- biopirate — a person who is responsible for biopiracy
- bipartite — consisting of or having two parts