15-letter words containing a, n, t, h, r, o
- around the horn — (thrown) from third base to second to first in trying for a double play
- asian shorthair — a generic term for a group of breeds of short-haired cat of Burmese type, including the Bombay
- at short notice — Notice is used in expressions such as 'at short notice', 'at a moment's notice' or 'at twenty-four hours' notice', to indicate that something can or must be done within a short period of time.
- at the controls — If someone is at the controls of a machine or other piece of equipment, they are operating it.
- baconian theory — the theory attributing the authorship of Shakespeare's plays to Francis Bacon.
- big bang theory — In astronomy the big bang theory is a theory that suggests that the universe was created as a result of an extremely large explosion.
- bohemian forest — a mountain range between the SW Czech Republic and SE Germany. Highest peak: Arber, 1457 m (4780 ft)
- brachistochrone — the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
- branchiostegous — branchiostegal.
- bring to a head — to bring or be brought to a crisis
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bristol fashion — clean and neat, with newly painted and scrubbed surfaces, brass polished, etc
- bronchial tubes — the bronchi or their smaller divisions
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- brown-tail moth — a white moth, Nygmia phaerrhoea, having a brown tuft at the end of the abdomen, the larvae of which feed on the foliage of various shade and fruit trees.
- catastrophising — Present participle of catastrophise.
- catastrophizing — Present participle of catastrophize.
- catch (on) fire — to begin burning; ignite
- catchment board — a public body concerned with the conservation and organization of water supply from a catchment area
- catheterisation — Alternative spelling of catheterization.
- catheterization — to introduce a catheter into.
- chamber concert — a concert of chamber music
- change of heart — a profound change of outlook, opinion, etc
- charleston peak — a mountain in SE Nevada: highest peak in the Spring Mountains. 11,919 feet (3635 meters).
- chemoattractant — a chemical substance that provokes chemotaxis, esp one that causes a bacterium to move in the direction in which its concentration is increasing
- chemosterilants — Plural form of chemosterilant.
- chocolate brown — a dark brown
- chorda tendinea — any of the tendons extending from the papillary muscles to the atrioventricular valves and preventing the valves from moving into the atria during ventricular contraction.
- chorioallantoic — relating to the chorioallantois
- chorioallantois — the membrane of a fetus that is formed by the merging of the allantois and the chorion
- cinematographed — a motion-picture projector.
- cinematographer — A cinematographer is a person who decides what filming techniques should be used during the shooting of a film.
- cinematographic — a motion-picture projector.
- connected graph — (mathematics) A graph such that there is a path between any pair of nodes (via zero or more other nodes). Thus if we start from any node and visit all nodes connected to it by a single edge, then all nodes connected to any of them, and so on, then we will eventually have visited every node in the connected graph.
- conservatorship — the legal status of a person appointed by a court to protect the interests of someone, such as a child, who is unable to manage his or her own affairs
- contour feather — any of the feathers that cover the body of an adult bird, apart from the wings and tail, and determine its shape
- corn-root aphid — an aphid, Anuraphis maidiradicis, that lives as a symbiont in colonies of cornfield ants and feeds on the roots of corn: an agricultural pest.
- countercathexis — (psychology) The suppression or repression of mental energy.
- countercharging — Present participle of countercharge.
- countercharming — Present participle of countercharm.
- counterflashing — (construction) Formed metal or elastomeric sheeting secured on or into a wall, curb, pipe or other surface, to cover and protect the upper edge of a base flashing and its associated fasteners.
- countermarching — Present participle of countermarch.
- counterpurchase — barter, especially of products or materials between international companies or importers and exporters.
- court christian — ecclesiastical court.
- craftswomanship — The body of skills, techniques, and expertise of (a) feminine craft(s).
- crashworthiness — the ability of a vehicle structure to withstand a crash
- cryoanaesthesia — Alternative spelling of cryoanesthesia.
- dehydrogenating — Present participle of dehydrogenate.
- dehydrogenation — to remove hydrogen from (a compound).
- derhotacization — A distortion in (or an Inability to pronounce) the sound of letter R, causing the R to be omitted as a consonant or changing /\u025d/ or /\u025a/ to /\u025c/,/\u0259/, or another vowel if a vocalic.