15-letter words containing a, p, t, h
- approachability — capable of being approached; accessible.
- arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
- arch of triumph — Arc de Triomphe.
- archiepiscopate — the rank, office, or term of office of an archbishop
- astrophotograph — a photograph of the heavenly bodies
- astrophotometry — the measurement of the intensity of light of celestial objects.
- astrophysically — from an astrophysical point of view
- astrophysicists — Plural form of astrophysicist.
- at the point of — very close to; on the verge of
- athletic sports — sports, esp track and field events, in which athleticism is required
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- autolithography — a lithographic technique by which the artist draws or traces with a brush and pen directly on a stone or plate.
- automorphically — in an automorphic manner
- autoradiographs — Plural form of autoradiograph.
- autoradiography — the technique or process of making autoradiographs.
- autotrophically — through an autotrophic process
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- balanoposthitis — An inflammation of the glans penis and the prepuce.
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- barothermograph — an automatic instrument for recording pressure and temperature.
- battleship gray — a subdued bluish gray.
- beet leafhopper — a small leafhopper (Circulifer tenellus) that transmits a very destructive virus to sugar beets
- beyond the pale — If you think that someone's actions or behaviour are not acceptable, you can say that they are beyond the pale.
- biostratigraphy — the examination of the ages of rock strata by using fossils
- bipartite graph — complete graph
- birch partridge — ruffed grouse
- box the compass — to name the compass points in order
- brake parachute — a parachute attached to the rear of a vehicle and opened to assist braking
- breathing space — A breathing space is a short period of time between two activities in which you can recover from the first activity and prepare for the second one.
- brushback pitch — a fast ball deliberately thrown at or too near a batter's head
- calf diphtheria — a disease of the throat in young calves caused by Fusobacterium necrophorum, resulting in breathing difficulty and a painful cough
- 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
- captain's chair — a hardwood armchair having a low, curved back, formed of a single rail supported by spindles, and a saddle seat
- catastrophising — Present participle of catastrophise.
- catastrophizing — Present participle of catastrophize.
- 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.
- champagne flute — a tall, thin champagne glass
- channel captain — the most powerful member, and often the one that decides specifications, in a channel for distributing goods (which usually consists of a manufacturer, wholesaler, and retailer). The channel captain is sometimes the manufacturer but in the case of a chain store it may be the retailer
- character piece — a short, simple piece, usually for piano, of a type developed chiefly during the 19th century, often of a descriptive or seemingly improvisatory character.
- character space — a space in a computer file into which a character can be fitted or which can be left blank
- charleston peak — a mountain in SE Nevada: highest peak in the Spring Mountains. 11,919 feet (3635 meters).
- chartophylacium — (in a medieval church) a place for the keeping of records and documents.
- chemoautotrophs — Plural form of chemoautotroph.
- chemoautotrophy — the process of deriving energy through oxidizing inorganic chemical compounds, as opposed to photosynthesis