12-letter words containing o, n, a, p
- apostatizing — Present participle of apostatize.
- apparitional — of or relating to an apparition or apparitions; ghostly, spectral
- appassionato — (to be performed) in an impassioned manner
- appellations — Plural form of appellation.
- appendectomy — the surgical removal of the vermiform appendix
- apperception — the attainment of full awareness of a sensation or idea
- apple newton — (computer) A Personal Digital Assistant produced by Apple Computer. The Newton provides a clever, user-friendly interface and relies solely on pen-based input. Eagerly anticipated, the Newton uses handwriting recognition software to "learn" the users handwriting and provide reliable character recognition. Various third-party software applications are available and add-on peripherals like wireless modems for Internet access are being sold by Apple Computer, Inc. and its licensees.
- appleknocker — Northern U.S. a rustic.
- applications — Plural form of application.
- appointments — Plural form of appointment.
- apportioning — Present participle of apportion.
- appositeness — The state of being apposite.
- appositional — the act of placing together or bringing into proximity; juxtaposition.
- appreciation — Appreciation of something is the recognition and enjoyment of its good qualities.
- apprehension — Apprehension is a feeling of fear that something bad may happen.
- approachment — (archaic) approach.
- approbations — approval; commendation.
- apron string — a string for tying an apron on
- arachnophobe — a person who is afraid of spiders
- araneomorphs — Plural form of araneomorph.
- archiphoneme — an abstract linguistic unit representing two or more phonemes when the distinction between these has been neutralized: conventionally shown by a capital letter within slashes, as /T/ for /t/ and /d/ in German Rat and Rad
- 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
- aristophanic — 448?–385? b.c, Athenian comic dramatist.
- arpeggiation — the writing, playing or singing of arpeggios
- arseno group — the bivalent group −As=As−.
- 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
- arsino group — the univalent group H 2 As−.
- asphyxiation — Asphyxiation is a lack of oxygen in blood, which causes suffocation.
- aspirational — If you describe someone as aspirational, you mean that they have strong hopes of moving to a higher social status.
- attorneyship — The office or profession of an attorney.
- autographing — Present participle of autograph.
- autohypnosis — the process or result of self-induced hypnosis
- autohypnotic — Of or pertaining to autohypnosis; self-hypnotizing.
- 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
- azophenylene — phenazine.
- backstopping — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- baden-powell — Robert Stephenson Smyth (smɪθ, smaɪθ), 1st Baron Baden-Powell. 1857–1941, British general, noted for his defence of Mafeking (1899–1900) in the Boer War; founder of the Boy Scouts (1908) and (with his sister Agnes) the Girl Guides (1910)
- band of hope — a society promoting lifelong abstention from alcohol among young people: founded in Britain in 1847
- bank deposit — money placed in a bank account
- barrow point — the northernmost tip of Alaska, on the Arctic Ocean
- basing point — a geographical location from which freight charges are computed by the seller regardless of the point from which the goods are shipped.
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- beat up (on) — to give a beating to; thrash
- benzal group — the bivalent group C 7 H 6 –, derived from benzaldehyde.
- benzoapyrene — a carcinogenic chemical in tobacco smoke
- betanaphthol — a colorless, crystalline isomer of naphthol, C10H8O, used as an antiseptic and parasiticide
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- blood spavin — a disease of the hock joint of horses in which enlargement occurs because of collected fluids (bog spavin) bony growth (bone spavin) or distention of the veins (blood spavin)
- blotting-pad — an object to one side of which a piece of blotting paper is attached for blotting text handwritten in ink
- boating trip — a trip or holiday in a boat such as a sailing boat or canal boat