15-letter words containing a, c, n, t, h, o
- nonpsychoactive — Not psychoactive.
- north caucasian — a language family including all the Caucasian languages north of the Caucasian divide, as Kabardian and the Circassian language proper, and a few between the divide and the Black Sea, as Abkhazian.
- north vancouver — a city in SW British Columbia, in SW Canada.
- northcountryman — a native or inhabitant of the North of England
- not in the race — given or having no chance
- object exchange — (protocol) (OBEX) A Bluetooth protocol in the Core Protocol Stack for data exchange.
- old clothes man — a person who deals in second-hand clothes
- on the contrary — opposite in nature or character; diametrically or mutually opposed: contrary to fact; contrary propositions.
- on the decrease — decreasing
- on the increase — growing, increasing
- on the track of — If you are on the track of someone or something, you are trying to find them, or find information about them.
- orchestrational — Of or pertaining to orchestration.
- orthodontically — from an orthodontic point of view
- overachievement — to perform, especially academically, above the potential indicated by tests of one's mental ability or aptitude.
- palaeoanthropic — relating to palaeoanthropology
- paleolithic man — any of the prehistoric populations of humans, as the Cro-Magnon, living in the late Pliocene and the Pleistocene epochs.
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- parthenogenetic — development of an egg without fertilization.
- pat on the back — to strike lightly or gently with something flat, as with a paddle or the palm of the hand, usually in order to flatten, smooth, or shape: to pat dough into flat pastry forms.
- perchloroethane — hexachloroethane.
- phantom circuit — a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.
- pheasant coucal — a brown and black, red-eyed Australian bird, Centropus phasianinus, with a pheasantlike tail.
- phenakistoscope — an early form of a zoetrope in which figures are depicted in different poses around the edge of a disc. When the disc is spun, and the figures observed through the apertures around the edge of the disc, they appear to be moving
- phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- philanthropical — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phonautographic — relating to a phonautograph or a piece of equipment that records sound visually by detecting the sound waves and indicating them on a graph
- phonemicization — a grouping of phonemes
- phoneticization — the representation of speech in writing using a system in which individual symbols reflect speech sounds in a regular manner
- phosphocreatine — a compound, C 4 H 1 0 O 5 N 3 P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction.
- photoactivation — the activation or control of a chemical, chemical reaction, or organism by light, as the activation of chlorophyll by sunlight during photosynthesis.
- photoexcitation — the creation of an increase in energy in atoms, molecules or ions caused by the absorption of a photon
- photomechanical — noting or pertaining to any of various processes for printing from plates or surfaces prepared by the aid of photography.
- physicalization — to express in physical terms; give form or shape to: The dancers physicalized the mood of the music.
- phytopathogenic — of, possessing the properties of, or relating to a phytopathogen
- pinochet ugarte — Augusto [ou-goos-taw] /aʊˈgus tɔ/ (Show IPA), 1915–2006, Chilean army general and political leader: president 1973–90.
- pistachio green — a light or medium shade of yellow green.
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- plain chocolate — dark eating chocolate
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- polychlorinated — having multiple chlorine atoms
- power macintosh — Power Mac
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- psychohistorian — a person who writes psychohistory
- pulmobranchiate — possessing a pulmobranch
- pyrotechnically — in a pyrotechnical manner
- radiotechnology — the technical application of any form of radiation to industry.
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
- right ascension — the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
- rocket launcher — a tube attached to a weapon for the launching of rockets.
- root and branch — a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture.