8-letter words containing r, a, i, n, o
- atropine — a poisonous alkaloid obtained from deadly nightshade, having an inhibitory action on the autonomic nervous system. It is used medicinally in pre-anaesthetic medication, to speed a slow heart rate, and as an emergency first-aid counter to exposure to chemical warfare nerve agents. Formula: C17H23NO3
- aureolin — a pigment used in painting, consisting of potassium cobaltinitrite and characterized by its brilliant yellow hue, transparency, and permanence.
- aversion — If you have an aversion to someone or something, you dislike them very much.
- baikonur — a launching site for spacecraft in central Kazakhstan; formerly the centre for the Soviet space programme, now leased from Kazakhstan by Russia
- baritone — In music, a baritone is a man with a fairly deep singing voice that is lower than that of a tenor but higher than that of a bass.
- baronial — If you describe a house or room as baronial, you mean that it is large, impressive, and old-fashioned in appearance, and looks as if it belongs to someone from the upper classes.
- baronies — Plural form of barony.
- baronize — to make or create (someone) a baron; confer the rank of baron upon.
- baryonic — of or relating to a baryon
- binormal — the normal to a curve, lying perpendicular to the osculating plane at a given point on the curve.
- boarding — Boarding is an arrangement by which children live at school during the school term.
- borazine — a colorless liquid, B 3 N 3 H 6 , that hydrolyzes with water to form boron hydrides. It is the inorganic analogue of benzene with similar physical properties.
- braconid — any member of the Braconidae, a family of parasitoid wasps
- brainbow — the result of a process by which the individual neurons of a brain can be mapped with fluorescent proteins under a light source
- brainbox — the skull
- bronchia — the ramifications or branches of the bronchi.
- c ration — a canned ration used in the field in WWII
- cancroid — resembling a cancerous growth
- canotier — a fabric constructed in a twill weave, used in the manufacture of yachting clothes.
- cantoris — (in antiphonal music) to be sung by the cantorial side of a choir
- caponier — a covered passageway built across a ditch as a military defence
- carbinol — methanol
- carbonic — (of a compound) containing carbon, esp tetravalent carbon
- carillon — a set of bells usually hung in a tower and played either by keys and pedals or mechanically
- cariocan — a native of Rio de Janeiro, Brazil
- carniola — a region of N Slovenia: a former duchy and crownland of Austria (1335–1919); divided between Yugoslavia and Italy in 1919; part of Yugoslavia (1947–92)
- carolina — a former English colony on the E coast of North America, first established in 1663: divided in 1729 into North and South Carolina, which are often referred to as the Carolinas
- caroline — characteristic of or relating to Charles I or Charles II, kings of England, Scotland, and Ireland, the society over which they ruled, or their government
- caroling — a song, especially of joy.
- caroming — Billiards, Pool. a shot in which the cue ball hits two balls in succession.
- castiron — Alternative spelling of cast iron.
- cavicorn — (of sheep, goats, etc) having hollow horns as distinct from the solid antlers of deer
- charonic — Classical Mythology. the ferryman who conveyed the souls of the dead across the Styx.
- choirman — a man who is a singer in a choir
- chondria — a profusely branched red alga, Chondria tenuissima, of the Atlantic and Pacific coasts of North America.
- cilantro — Cilantro is the leaves of the coriander plant that are used as an herb.
- cimarron — river flowing from NE N.Mex. eastward to the Arkansas River, near Tulsa, Okla.: c. 600 mi (966 km)
- clairton — a city in SW Pennsylvania.
- clarions — Plural form of clarion.
- clorinda — a female given name.
- cocinera — (in Mexico) a female cook
- colinear — collinear.
- conarial — of or relating to the conarium
- conarium — the pineal gland
- congiary — (in ancient Rome) a gift from the emperor to the people or soldiers
- conrad i — died a.d. 918, king of Germany 911–918.
- contrail — a white trail of condensed water vapor that sometimes forms in the wake of an aircraft; vapor trail
- contrair — contrary
- conurbia — conurbations considered collectively
- coramine — a drug, C10H14N2O, which is a circulatory stimulant and is banned by the World Anti-Doping Agency, hence preventing its use by athletes