9-letter words containing r, i, n, s
- arachnids — Plural form of arachnid.
- arccosine — the function the value of which for a given argument between –1 and 1 is the angle in radians (between 0 and π), the cosine of which is that argument: the inverse of the cosine function
- arresting — attracting attention; striking
- arrhenius — Svante August (ˈsvantə ˈauɡʊst). 1859–1927, Swedish chemist and physicist, noted for his work on the theory of electrolytic dissociation: Nobel prize for chemistry 1903
- arseniate — (inorganic chemistry) arsenate.
- arsenical — of or containing arsenic
- arsenides — Plural form of arsenide.
- arsenious — of or containing arsenic in the trivalent state
- arsonists — Plural form of arsonist.
- artisanal — pertaining to or noting a person skilled in an applied art: The men were taught artisanal skills such as bricklaying and carpentry.
- artsiness — the condition of being artsy or affectedly creative
- ascertain — If you ascertain the truth about something, you find out what it is, especially by making a deliberate effort to do so.
- ascribing — Present participle of ascribe.
- ashlaring — ashlars collectively
- aspargine — (amino acid) A nonessential amino acid C4H8N2O3 found in plants such as asparagus.
- aspersing — Present participle of asperse.
- aspersion — a disparaging or malicious remark; slanderous accusation (esp in the phrase cast aspersions (on))
- aspirants — Plural form of aspirant.
- asserting — Present participle of assert.
- assertion — a positive statement, usually made without an attempt at furnishing evidence
- assigners — Plural form of assigner.
- assorting — Present participle of assort.
- astrangia — a genus of corals forming small, encrusting colonies, found in shallow waters off both coasts of the U.S.
- astrantia — a hardy flowering plant from the genus Astrantia and family Apiaceae. It produces tiny flowers in the mid-summer months and dies back after flowering every year
- astringed — to compress; bind together; constrict.
- astringer — a styptic or constrictive substance
- asynergia — lack of coordination between muscles or parts, as occurs in cerebellar disease
- attainers — Plural form of attainer.
- attornies — Plural form of attorny.
- aversions — Plural form of aversion.
- axminster — a type of patterned carpet with a cut pile
- bacterins — a vaccine prepared from killed bacteria.
- banisters — the railing and supporting balusters on a staircase; balustrade
- bankerish — resembling or befitting a banker, especially in being perceived as reserved and conservative in dress and demeanor: a model of bankerish decorum.
- bannister — Sir Roger (Gilbert). born 1929, British athlete and doctor: first man to run a mile in under four minutes (1954)
- barasinga — a species of deer, Cervus duvaucelii, native to India and Nepal, known for the many-pointed nature of its antlers
- baritones — Plural form of baritone.
- barminess — the quality of being barmy; craziness
- bartizans — Plural form of bartizan.
- baseliner — a player who plays most of his or her shots from the back of court
- beaneries — Plural form of beanery.
- bearnaise — rich sauce made from egg yolks, lemon juice or wine vinegar, butter, shallots, herbs, and seasoning
- bearskins — Plural form of bearskin.
- bedspring — a spring that supports a mattress
- bernstein — Leonard. 1918–90, US conductor and composer, whose works include The Age of Anxiety (1949), the score of the musical West Side Story (1957), and Mass (1971)
- biosensor — a biological device used to detect specific chemical presence
- borgesian — of Jorge Luis Borges or his works
- bowstring — the string of an archer's bow, usually consisting of three strands of hemp
- braincase — the part of the cranium that protects the brain
- brainless — If you describe someone or something as brainless, you mean that you think they are stupid.