13-letter words containing p, t, o
- buff-tip moth — a large European moth, Phalera bucephala, having violet-brown buff-tipped forewings held at rest around the body so that it resembles a snapped-off twig
- building plot — a piece of land on which a house can be built
- built-up roof — a usually flat or slightly sloped roof that is covered with a special material applied in sealed, waterproof layers.
- butyrophenone — a drug used to treat psychiatric disorders
- butyryl group — the univalent group C 4 H 7 O–.
- by reputation — If you know someone by reputation, you have never met them but you have heard of their reputation.
- byte compiler — byte-code compiler
- c corporation — A C corporation is a type of corporation which is taxed on its income.
- cainotophobia — Alternative form of cainophobia.
- campanologist — the principles or art of making bells, bell ringing, etc.
- camping stool — a stool which is suitable for use in temporary quarters, on holiday, etc, esp by being portable and easy to set up
- camping stove — a portable stove powered by butane gas canisters, designed to be used for cooking while camping
- campylobacter — a rod-shaped bacterium that causes infections in cattle and man. Unpasteurized milk infected with campylobacter is a common cause of gastroenteritis
- capital goods — Capital goods are used to make other products. Compare consumer goods.
- capital stock — the par value of the total share capital that a company is authorized to issue
- capitate bone — the largest and central bone of the carpus, articulating with the second, third, and fourth metacarpal bones.
- capitulations — Plural form of capitulation.
- 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
- capsulization — The act or process of capsulizing.
- cardiopathies — Plural form of cardiopathy.
- carpenterworm — the larva of the carpenterworm moth.
- carrot-topped — having red hair
- cartographers — Plural form of cartographer.
- 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.
- case in point — a specific, appropriate, or relevant instance or example
- 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.
- cathodography — the process or practice of taking photographs using cathode rays
- caveat emptor — Caveat emptor means 'let the buyer beware', and is a warning to someone buying something that it is their responsibility to identify and accept any faults in it.
- cecropia moth — a large North American saturniid moth, Hyalophora (or Samia) cecropia, with brightly coloured wings and feathery antennae
- cephalization — (in the evolution of animals) development of a head by the concentration of feeding and sensory organs and nervous tissue at the anterior end
- cephalometric — Relating to cephalometrics.
- cephalothorax — the anterior part of many crustaceans and some other arthropods consisting of a united head and thorax
- chaetophorous — bearing bristles; setigerous.
- chapter house — A chapter house is the building or set of rooms in the grounds of a cathedral where the members of the clergy hold their meetings.
- chart-topping — very popular; coming top in the charts
- checkpointing — Present participle of checkpoint.
- chemautotroph — an organism, such as a bacterium, that obtains its energy from inorganic reactions using simple compounds, such as ammonia or hydrogen sulphide
- chemisorption — an adsorption process in which an adsorbate is held on the surface of an adsorbent by chemical bonds
- chemoreceptor — a sensory receptor in a biological cell membrane to which an external molecule binds to generate a smell or taste sensation
- child support — If a parent pays child support, they legally have to pay money to help provide things such as food and clothing for a child with whom they no longer live.
- chilkoot pass — a mountain pass in North America between SE Alaska and NW British Columbia, over the Coast Range
- chirographist — a person who studies or who is knowledgeable about handwriting styles
- chiropractics — The practice of a chiropractor.
- chiropractors — Plural form of chiropractor.
- chloroplastal — of or like a chloroplast
- chloroplastic — a plastid containing chlorophyll.