13-letter words containing r, e, s, i
- asteroid belt — the concentrations of asteroids that move around the sun mainly between the orbits of Mars and Jupiter
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- aten asteroid — one of a small group of asteroids whose orbits cross that of the earth and whose semimajor axes are smaller than that of the earth.
- athenagoras i — (Aristocles Spyrou) 1886–1972, Archbishop Ecumenical of Constantinople and Ecumenical Patriarch of the Greek Orthodox Church 1948–72.
- atherogenesis — (medicine) The formation of atheromas, especially on the walls of the arteries.
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atrociousness — The state of being atrocious.
- aubervilliers — an industrial suburb of Paris, on the Seine. Pop: 63 136 (1999)
- australianize — (esp of a new immigrant) to adopt or cause to adopt Australian habits and attitudes; integrate into Australian society
- austrian pine — an evergreen tree, Pina nigra austriaca
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- awe-inspiring — If you describe someone or something as awe-inspiring, you are emphasizing that you think that they are remarkable and amazing, although sometimes rather frightening.
- baby primrose — a tender primrose, Primula forbesii, native to China and Burma, having white, hairy leaves and rose- or lilac-colored flowers with a yellow center.
- backing store — a computer storage device, usually a disk, that provides additional storage space for information so that it can be accessed and referred to when required and may be copied into the processor if needed
- bacteriolysin — an antibody which, when it combines with bacterial cells, causes lysis of those cells, thus destroying them
- bacteriolysis — the destruction or disintegration of bacteria
- bacterioscopy — the examination of bacteria with a microscope.
- bacteriostats — Plural form of bacteriostat.
- ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
- balmer series — a series of lines in the hydrogen spectrum, discovered by Johann Jakob Balmer (1825–98) in 1885
- balsamiferous — yielding or producing balsam
- banana spider — a large, yellowish, tropical crab spider (Heteropoda venatoria) occasionally found in bunches of bananas shipped to the Temperate Zones
- banderilleros — Plural form of banderillero.
- bandspreading — an additional tuning control in some radio receivers whereby a selected narrow band of frequencies can be spread over a wider frequency band, in order to give finer control of tuning
- banister back — a back of a chair or the like, usually having semicircular spindles between the top rail and the cross rail or seat.
- banker's bill — a banknote
- barber's itch — any of various fungal infections of the bearded portion of the neck and face
- barley stripe — a disease of barley, characterized by blighted heads and chlorotic, brown, or frayed stripes on the leaves, caused by a fungus, Helminthosporium gramineum.
- barnsbreaking — noisy and exuberant activity; boisterous mischief-making
- barred spiral — a spiral galaxy in which the arms originate at the ends of a bar-shaped nucleus
- barrier-nurse — to tend (infectious patients) in isolation, to prevent the spread of infection
- barristership — the office of a barrister
- basic process — Military. basic training. a soldier or airman receiving basic training.
- basidiospores — Plural form of basidiospore.
- basket dinner — a group social gathering, as of church members, to which participants contribute casseroles or other dishes to share.
- bass clarinet — a clarinet with the lowest range, in the octave below the B-flat clarinet
- bass-baritone — a singer or voice in the bass range with baritone qualities
- basso rilievo — bas-relief
- basso-relievo — bas-relief
- bastard eigne — the first-born illegitimate son of parents whose second son was legitimate.
- bastard title — half title (def 1).
- bastard-title — Also called bastard title. the first printed page of certain books, appearing after the end papers and before the title page and containing only the title of the book.
- battlecruiser — A large warship of a type built in the early 20th century, carrying similar armament to a battleship but faster and more lightly armored.
- beam splitter — a system that divides a beam of light, electrons, etc, into two or more paths
- bearing sword — a large sword carried for its owner by a squire or servant because of its size.
- beaux esprits — bel esprit
- beaux-esprits — plural of bel-esprit.
- bedroom suite — a set of furniture, including such things as a bed, wardrobe, chest of drawers, cabinet, etc
- bedtime story — a story read or told to a child at bedtime
- beer-swilling — in the habit of drinking a lot of beer