13-letter words containing r, o, a, s, t, i
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- autorickshaws — Plural form of autorickshaw.
- 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.
- bag of tricks — a container or receptacle of leather, plastic, cloth, paper, etc., capable of being closed at the mouth; pouch.
- ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
- barosinusitis — aerosinusitis.
- bartholinitis — Inflammation of Bartholin's cyst.
- basic fortran — (language) A subset of Fortran.
- bass-baritone — a singer or voice in the bass range with baritone qualities
- behavioristic — the theory or doctrine that human or animal psychology can be accurately studied only through the examination and analysis of objectively observable and quantifiable behavioral events, in contrast with subjective mental states.
- beige toaster — Macintosh
- bibliolatrous — characterized by bibliolatry
- blamestorming — a discussion or meeting for the purpose of assigning blame.
- boston matrix — a two-dimensional matrix, used in planning the business strategy of a large organization, that identifies those business units in the organization that generate cash and those that use it
- boutros-ghali — ˈBoutros (ˈbutroʊs ) ; bo̅oˈtrōs) 1922- ; Egypt. diplomat: secretary-general of the United Nations (1992-96)
- brainstorming — intensive discussion to solve problems or generate ideas
- brevirostrate — having a short beak or bill
- bring to pass — to cause to happen
- bristol board — a heavy smooth cardboard of fine quality, used for printing and drawing
- busto arsizio — a city in Lombardy, N Italy.
- by contraries — contrary to what is expected
- carbon tissue — a sheet of paper coated with pigmented gelatine, used in the carbon process
- carbon-tissue — paper faced with a preparation of carbon or other material, used between two sheets of plain paper in order to reproduce on the lower sheet that which is written or typed on the upper.
- carbonisation — (chiefly, British) alternative spelling of carbonization.
- carcinologist — a person who specializes in carcinology
- carcinomatous — a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.
- cardiologists — Plural form of cardiologist.
- cardiopathies — Plural form of cardiopathy.
- carotid sinus — specialized nerve end organs producing a slight dilatation of the carotid artery where it branches into the external and internal carotid arteries, responding to changes in blood pressure by mediating changes in the heartbeat rate.
- cartilaginous — of or like cartilage; gristly
- cartiliginous — Alternative form of cartilaginous.
- cartoon strip — A cartoon strip is a series of drawings that tells a story.
- caster action — the tendency, caused by the design of the mounting, of a wheel to turn into its plane of rotation
- catastrophise — Alt form catastrophize.
- catastrophism — an old doctrine, now discarded, that the earth was created and has subsequently been shaped by sudden divine acts which have no logical connection with each other rather than by gradual evolutionary processes
- catastrophist — the doctrine that certain vast geological changes in the earth's history were caused by catastrophes rather than gradual evolutionary processes.
- catastrophize — (obsolete) To end a comedy.
- categorisable — Alternative spelling of categorizable.
- cauterisation — Alt form cauterization.
- ceremonialist — of, relating to, or characterized by ceremony; formal; ritual: a ceremonial occasion.
- chalicotheres — Plural form of chalicothere.
- chase mortise — a mortise having one inclined narrow side.
- cheiromantist — A chiromancer.
- chiaroscurist — A painter who uses light and shade rather than colour to create the illusion of volume.
- chirographist — a person who studies or who is knowledgeable about handwriting styles
- chiropractics — The practice of a chiropractor.