12-letter words containing p, o, r, t, i
- appreciation — Appreciation of something is the recognition and enjoyment of its good qualities.
- appreciators — to be grateful or thankful for: They appreciated his thoughtfulness.
- appreciatory — appreciative.
- approbations — approval; commendation.
- appropriated — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriates — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- appropriator — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approximated — near or approaching a certain state, condition, goal, or standard.
- approximates — near or approaching a certain state, condition, goal, or standard.
- approximator — Something that approximates.
- apricot tart — a pastry case filled with apricots
- apron string — a string for tying an apron on
- arctophilist — a collector of teddy bears
- 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
- 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
- arteriopathy — Any disease of the arteries.
- arthropathic — disease of the joints.
- arthroscopic — the use of an arthroscope to diagnose an injury to or disease of a joint or to perform minor surgery on a joint.
- aspect ratio — the ratio of width to height of the picture on a television or cinema screen
- aspirational — If you describe someone as aspirational, you mean that they have strong hopes of moving to a higher social status.
- astrophysics — Astrophysics is the study of the physical and chemical structure of the stars, planets, and other natural objects in space.
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- atmospherium — an optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.
- atomic power — nuclear power.
- attorneyship — The office or profession of an attorney.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- autographing — Present participle of autograph.
- automorphism — the practice of seeing others as having the same characteristics as oneself
- 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
- barrow point — the northernmost tip of Alaska, on the Arctic Ocean
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- bird-spotter — a bird-watcher
- blue pointer — a large shark, Isuropsis mako, of Australian coastal waters, having a blue back and pointed snout
- boating trip — a trip or holiday in a boat such as a sailing boat or canal boat
- bolt upright — If someone is sitting or standing bolt upright, they are sitting or standing very straight.
- bomber pilot — the pilot of a bomber
- branch point — Electricity. a point in an electric network at which three or more conductors meet.
- bypass ratio — the ratio of the amount of air that bypasses the combustion chambers of an aircraft gas turbine to that passing through them
- camphorating — Present participle of camphorate.
- capitulatory — the act of capitulating.
- cartographic — Of or pertaining to the making of maps.
- catadioptric — involving a combination of reflecting and refracting components
- cataphoresis — electrophoresis
- catastrophic — Something that is catastrophic involves or causes a sudden terrible disaster.
- ceratopsians — Plural form of ceratopsian.
- ceroplastics — the art of wax modelling
- chalcopyrite — a widely distributed yellow mineral consisting of a sulphide of copper and iron in tetragonal crystalline form: the principal ore of copper. Formula: CuFeS2
- charity shop — A charity shop is a shop that sells used goods cheaply and gives its profits to a charity.