12-letter words containing n, t, e, r
- approachment — (archaic) approach.
- appurtenance — a secondary or less significant thing or part
- arc cosecant — the angle, measured in radians, that has a cosecant equal to a given number. Symbol: csc −1. Abbreviation: arc csc;
- archegoniate — having archegonia
- archenterons — Plural form of archenteron.
- archibenthos — the ocean bottom between the littoral and abyssal zones: from depths of approximately 200 feet (60 meters) to 3300 feet (1000 meters).
- architecting — a person who engages in the profession of architecture.
- arctic ocean — the ocean surrounding the North Pole, north of the Arctic Circle. Area: about 14 100 000 sq km (5 440 000 sq miles)
- arfvedsonite — a type of hornblende with the composition Na3(Fe,Mg)4FeSi8O22(OH)2
- aristophanes — ?448–?380 bc, Greek comic dramatist, who satirized leading contemporary figures such as Socrates and Euripides. Eleven of his plays are extant, including The Clouds, The Frogs, The Birds, and Lysistrata
- aristotelian — of or relating to Aristotle or his philosophy
- arm's-length — lacking intimacy or friendliness, esp when possessing some special connection, such as previous closeness
- armamentaria — the aggregate of equipment, methods, and techniques available to one for carrying out one's duties: The stethoscope is still an essential part of the physician's armamentarium.
- arming chest — a chest for holding armor and weapons.
- arpeggiation — the writing, playing or singing of arpeggios
- arraignments — Plural form of arraignment.
- arrangements — preparatory measures taken or plans made; preparations
- arseniureted — combined with arsenic
- arsenopyrite — a white or grey metallic mineral consisting of a sulphide of iron and arsenic that forms monoclinic crystals with an orthorhombic shape: an ore of arsenic. Formula: FeAsS
- arthur evans — Sir Arthur John, 1851–1941, English archaeologist.
- artilleryman — a serviceman who serves in an artillery unit
- artillerymen — Plural form of artilleryman.
- arts student — a person studying an arts subject
- ascertaining — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- assertations — Plural form of assertation.
- asseverating — Present participle of asseverate.
- asseveration — the act of asseverating.
- assortedness — the position of being sorted, grouped or harmonized with, well or badly, or provided with a good or bad assortment or mixture
- astral plane — a plane of existence inhabited by astral bodies
- astringently — In the manner of an astringent.
- at a venture — at random; by chance
- at any price — If you want something at any price, you are determined to get it, even if unpleasant things happen as a result.
- at intervals — If something happens at intervals, it happens several times with gaps or pauses in between.
- attenborough — Sir David. born 1926, British naturalist and broadcaster; noted esp for his TV series Life on Earth (1978), The Living Planet (1983), The Life of Birds (1998), The Life of Mammals (2002), and First Life (2010)
- attorneyship — The office or profession of an attorney.
- au contraire — on the contrary
- auctioneered — Simple past tense and past participle of auctioneer.
- austronesian — of or relating to Austronesia, its peoples, or their languages
- autoanalyzer — any of various automatic devices that test and analyze chemicals, blood, etc.
- autochangers — Plural form of autochanger.
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- averruncator — a long pair of shears used for pruning the higher branches of trees
- awe-stricken — filled with awe.
- azathioprine — a synthetic drug that suppresses the normal immune responses of the body and is administered orally during and after organ transplantation and also in certain types of autoimmune disease. Formula: C9H7N7O2S
- bag snatcher — a thief whose main tactic is to grab women's handbags and run off with them
- bairnsfather — Bruce. 1888–1959, British cartoonist, born in India: best known for his cartoons of the war in the trenches during World War I
- balloon tire — a wide, deep-walled pneumatic tire with relatively low air pressure to lessen the shock of bumps
- balloon tyre — a pneumatic tyre containing air at a relatively low pressure and having a wide tread
- bandersnatch — a fictional creature created by Lewis Carroll in his poem Jabberwocky, and appearing also in The Hunting of the Snark and Through the Looking-Glass
- bankruptcies — Plural form of bankruptcy.