13-letter words containing r, a, d, i, o
- bud variation — any variation in a bud due to changes in either its genetic composition or environment or both such that the resulting flower, fruit, or shoot differs from others of the same plant or species.
- burial ground — A burial ground is a place where bodies are buried, especially an ancient place.
- cape marigold — any composite plant of the genus Dimorphotheca, having variously colored, daisylike flowers.
- carbo-loading — Informal. carbohydrate loading.
- carbolic acid — Carbolic acid or carbolic is a liquid that is used as a disinfectant and antiseptic.
- carbolic-acid — Also called carbolic acid, hydroxybenzene, oxybenzene, phenylic acid. a white, crystalline, water-soluble, poisonous mass, C 6 H 5 OH, obtained from coal tar, or a hydroxyl derivative of benzene: used chiefly as a disinfectant, as an antiseptic, and in organic synthesis.
- carbon credit — Carbon credits are an allowance that certain companies have, permitting them to burn a certain amount of fossil fuels.
- carbon dating — Carbon dating is a system of calculating the age of a very old object by measuring the amount of radioactive carbon it contains.
- carbonic acid — a weak acid formed when carbon dioxide combines with water: obtained only in aqueous solutions, never in the pure state. Formula: H2CO3
- card clothing — a very sturdy fabric with a leather or rubber fillet imbedded with wire teeth for disentangling and cleaning textile fibers, used to cover the rollers or flats of a carding machine.
- cardiographic — (physiology) Of or pertaining to, or produced by, a cardiograph.
- cardiological — the study of the heart and its functions in health and disease.
- cardiologists — Plural form of cardiologist.
- cardiomegalia — abnormal enlargement of the heart.
- cardiopathies — Plural form of cardiopathy.
- cardioversion — restoring the rhythm of the heart to normal by applying direct-current electrical shock.
- carias andino — Tiburcio [tee-voor-syaw] /tiˈvur syɔ/ (Show IPA), 1876–1968, Honduran lawyer, soldier, and statesman: president 1933–49.
- carotid sinus — specialized nerve end organs producing a slight dilatation of the carotid artery where it branches into the external and internal carotid arteries, responding to changes in blood pressure by mediating changes in the heartbeat rate.
- caudine forks — a narrow pass in the Apennines, in S Italy, between Capua and Benevento: scene of the defeat of the Romans by the Samnites (321 bc)
- cedarwood oil — an aromatic oil obtained from the wood of the red cedar and used in the manufacture of soaps, perfumes, and insecticides.
- cephaloridine — a cephalosporin antibiotic often used in the treatment of bacterial infections
- ceramic oxide — a compound of oxygen with nonorganic material: recently discovered to act as a high-temperature superconductor
- chicago ridge — a town in NE Illinois.
- chlorous acid — an unstable acid that is a strong oxidizing agent. Formula: HClO2
- circuit board — A circuit board is the same as a printed circuit board.
- ciudad madero — city in Tamaulipas state, EC Mexico: suburb of Tampico: pop. 160,000
- clavichordist — Someone who plays the clavichord.
- close-grained — (of wood) dense or compact in texture
- co-ordination — Co-ordination means organizing the activities of two or more groups so that they work together efficiently and know what the others are doing.
- coachbuilders — Plural form of coachbuilder.
- coadjutorship — the state of being a coadjutor
- coal industry — a branch of commercial enterprise concerned with the discovery and mining of coal
- coarsegrained — having a coarse texture
- coin-operated — (of a machine) operated by the insertion of a coin
- college radio — radio broadcasting from stations affiliated with a college or university, often at a frequency below 92 MHz FM.
- commandeering — Present participle of commandeer.
- commandership — a person who commands.
- comradeliness — the quality of being comradely
- confederacies — Plural form of confederacy.
- confederating — Present participle of confederate.
- confederation — A confederation is an organization or group consisting of smaller groups or states, especially one that exists for business or political purposes.
- confederative — of confederates or a confederation
- conquistadors — Plural form of conquistador.
- conservatized — Simple past tense and past participle of conservatize.
- considerately — showing kindly awareness or regard for another's feelings, circumstances, etc.: a very considerate critic.
- consideration — Consideration is careful thought about something.
- considerative — considerate
- consolidators — Plural form of consolidator.
- constrainedly — forced, compelled, or obliged: a constrained confession.
- containerised — Simple past tense and past participle of containerise.