13-letter words containing a, p, r, i, o
- basidiospores — Plural form of basidiospore.
- bibliographer — an expert in bibliography
- bibliographic — a complete or selective list of works compiled upon some common principle, as authorship, subject, place of publication, or printer.
- bibliotherapy — the use of reading as therapy
- binary weapon — a chemical weapon consisting of a projectile containing two substances separately that mix to produce a lethal agent when the projectile is fired
- bio-autograph — an analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms.
- bioautography — an analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms.
- biogeographer — a person who is knowledgeable about biogeography
- bird of peace — a dove.
- boarding pass — A boarding pass is a card that a passenger must have when boarding a plane or a boat.
- braking power — the ability of a braking system to cause a vehicle to come to a halt
- bring to pass — to cause to happen
- broca-aphasia — a type of aphasia caused by a lesion in Broca's area of the brain, characterized by misarticulated speech and lack of grammatical morphemes.
- bromide paper — a type of photographic paper coated with an emulsion of silver bromide usually containing a small quantity of silver iodide
- by reputation — If you know someone by reputation, you have never met them but you have heard of their reputation.
- c corporation — A C corporation is a type of corporation which is taxed on its income.
- cacographical — Synonym of cacographic.
- caesaropapism — the theory that the state should have authority over the church in ecclesiastical matters; Erastianism
- camp fire boy — a boy who is a member of the Campfire Boys and Girls. Compare Camp Fire Girl.
- campaniliform — Alternative form of campaniform.
- cancerophobia — a morbid dread of being afflicted by cancer
- cape marigold — any composite plant of the genus Dimorphotheca, having variously colored, daisylike flowers.
- cape province — a former province of S South Africa; replaced in 1994 by the new provinces of Northern Cape, Western Cape, Eastern Cape and part of North-West. Capital: Cape Town
- cape-province — a cape in S Africa, in the SW Republic of South Africa.
- caprification — a method of pollinating the edible fig by hanging branches of caprifig flowers in edible fig trees. Parasitic wasps in the caprifig flowers transfer pollen to the edible fig flowers
- carbolic soap — a disinfectant soap containing phenol
- carcinophobia — Inordinate dread of contracting cancer.
- cardiographic — (physiology) Of or pertaining to, or produced by, a cardiograph.
- cardiopathies — Plural form of cardiopathy.
- carton-pierre — papier-mâché decorated in imitation of wood, stone, or metal, and chiefly used for ornamental statuary or decorative motifs.
- cartoon strip — A cartoon strip is a series of drawings that tells a story.
- 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.
- cecropia moth — a large North American saturniid moth, Hyalophora (or Samia) cecropia, with brightly coloured wings and feathery antennae
- cephalometric — Relating to cephalometrics.
- cephaloridine — a cephalosporin antibiotic often used in the treatment of bacterial infections
- cephalosporin — any of a group of broad-spectrum antibiotics obtained from fungi of the genus Cephalosporium
- cerebrospinal — of or relating to the brain and spinal cord
- ceruloplasmin — a protein responsible for copper detoxification, found in the blood
- cervicography — a method of cervical screening in which the neck of the uterus is photographed to facilitate the early detection of cancer
- chaperoneship — State or position of chaperone.
- chart-topping — very popular; coming top in the charts
- chirographist — a person who studies or who is knowledgeable about handwriting styles
- chiropractics — The practice of a chiropractor.
- chiropractors — Plural form of chiropractor.
- chloroplastic — a plastid containing chlorophyll.
- choreographic — Choreographic means relating to or connected with choreography.
- chorepiscopal — (in early Christianity) relating to or connected with a local bishop