12-letter words containing a, l, t, r, i
- auditorially — Anatomy, Physiology. pertaining to hearing, to the sense of hearing, or to the organs of hearing.
- australasian — Australasian means belonging or relating to Australasia or to its people.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- autarkically — In an autarkic way.
- authorizable — able to be authorized
- autocratical — Autocratic.
- autodiallers — Plural form of autodialler.
- avascularity — the condition of having few blood vessels or of being without blood vessels
- aviculturist — A person who keeps and rears (breeds) birds.
- avuncularity — the condition of being an uncle
- b-s particle — a neutral meson with a mass 10,507 times that of the electron and a mean lifetime of approximately 1.6 X 10 -12 seconds.
- bactericidal — any substance capable of killing bacteria.
- bacteriology — Bacteriology is the science and the study of bacteria.
- ball turning — the turning of arms or legs on furniture to make them resemble a continuous row of balls.
- ballet skirt — a full skirt, often made with several layers of fabric, typical of those worn by ballet dancers
- balloon tire — a wide, deep-walled pneumatic tire with relatively low air pressure to lessen the shock of bumps
- baluchithere — a hornless rhinoceros of the extinct genus Baluchitherium that inhabited central Asia during the Oligocene and early Miocene epochs: the largest land mammal known.
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- barristerial — pertaining to a barrister
- bartlesville — a city in NE Oklahoma.
- bastard file — a file of the commercial grade of coarseness between coarse and second-cut.
- beamsplitter — Alternative spelling of beam splitter.
- beautifuller — (obsolete) Comparative form of beautiful.
- below stairs — People sometimes use below stairs to refer to the servants in a rich household and the things that are connected with them.
- bengal tiger — a large tiger found in S. Asia
- bi-quarterly — occurring twice in each quarter of a year.
- biarticulate — having two joints, as the antennae of certain insects.
- biauriculate — having two auricles or earlike parts
- bicollateral — (of a vascular bundle) having two phloem groups to the inside and outside, respectively, of the xylem
- bilateralism — the practice of being bilateral
- binocularity — binocular characteristics
- biparentally — from a biparental point of view
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- birth family — one's biological parents and siblings, as contrasted with one's adoptive family.
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- bitter apple — colocynth
- bitter lakes — two lakes, the Great Bitter Lake and Little Bitter Lake in NE Egypt: part of the Suez Canal
- blatherskite — a talkative silly person
- blaue reiter — der Blaue Reiter. a group of German expressionist painters formed in Munich in 1911, including Kandinsky and Klee, who sought to express the spiritual side of man and nature, which they felt had been neglected by impressionism
- blazing star — a North American liliaceous plant, Chamaelirium luteum, with a long spike of small white flowers
- bletheration — nonsense!
- blister pack — a type of packet in which small items are displayed and sold, consisting of a transparent dome of plastic or similar material mounted on a firm backing such as cardboard
- blues guitar — blues guitar music
- born-digital — relating to or noting documents, images, etc., that are created and managed in electronic form: electronic preservation of born-digital content; a born-digital e-book that will not be available in print.
- borosilicate — a salt of boric and silicic acids
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- brazilianite — a mineral, sodium aluminum phosphate, Na 2 Al 6 P 4 O 16 (OH) 8 , occurring in yellow-green crystals with a vitreous luster: used as a gem.
- breast drill — a geared drill that can be braced against the chest for additional leverage.
- bridal party — the people who accompany the bride as she comes to her wedding
- bridal suite — a room or set of rooms in a hotel for newly married couples