15-letter words containing h, o, t, a
- beyond the pale — If you think that someone's actions or behaviour are not acceptable, you can say that they are beyond the pale.
- 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.
- biomathematical — relating to biomathematics
- biostratigraphy — the examination of the ages of rock strata by using fossils
- board of health — an agency with responsibility for health in state, country, etc
- boating holiday — a holiday spent sailing or travelling in a canal boat, cruiser, etc
- bohemian forest — a mountain range between the SW Czech Republic and SE Germany. Highest peak: Arber, 1457 m (4780 ft)
- boil-in-the-bag — (of food) able to be boiled in a sealed bag until ready to eat
- box the compass — to name the compass points in order
- 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
- brachystomatous — having a short proboscis, as certain insects.
- branchiostegous — branchiostegal.
- breach of faith — a violation of good faith, confidence, or trust; betrayal: To abandon your friends now would be a breach of faith.
- breach of trust — a violation of duty by a trustee or any other person in a fiduciary position
- break the mould — If you say that someone breaks the mould, you mean that they do completely different things from what has been done before or from what is usually done.
- 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.
- bullock's heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- bullock's-heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- caffe macchiato — a hot beverage consisting of espresso and a small amount of foamed milk.
- call-out charge — a set amount charged for a repairman to come to one's house, or to a broken-down vehicle, which is added to the cost of the actual repair
- calydonian hunt — the pursuit by Meleager, Atalanta, and others of a savage boar (Calydonian boar) sent by Artemis to lay waste to Calydon.
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- cannot help but — to be unable to do anything else except
- carry the torch — If you say that someone is carrying the torch of a particular belief or movement, you mean that they are working hard to ensure that it is not forgotten and continues to grow stronger.
- 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
- cathedral choir — the choir, traditionally consisting of boys and men, that sings in cathedral services
- catheterisation — Alternative spelling of catheterization.
- catheterization — to introduce a catheter into.
- catholic church — any of several Churches claiming to have maintained continuity with the ancient and undivided Church
- catholic school — a school that includes instruction in Roman Catholic faith in its curriculum, with teachers who are often nuns or monks
- caustic alcohol — sodium ethylate.
- cephalochordate — any chordate animal of the subphylum Cephalochordata, having a fishlike body and no vertebral column; lancelet
- cephalohematoma — A hemorrhage of blood between the skull and periosteum of a newborn baby secondary to rupture of blood vessels crossing the periosteum.
- cephalothoracic — the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.
- cephalothoraxes — Plural form of cephalothorax.
- chamber concert — a concert of chamber music
- chamois leather — soft cleaning cloth
- change of heart — a profound change of outlook, opinion, etc
- character actor — A character actor is an actor who specializes in playing unusual or eccentric people.
- charles doughty — Charles Montagu [mon-tuh-gyoo] /ˈmɒn təˌgyu/ (Show IPA), 1843–1926, English traveler and writer.
- charleston peak — a mountain in SE Nevada: highest peak in the Spring Mountains. 11,919 feet (3635 meters).
- charlotte russe — a cold dessert made in a mould with sponge fingers enclosing a mixture of whipped cream, custard, etc