12-letter words containing a, r, c, t, o, i
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- orthovanadic — relating to orthovanadates
- overactivate — to make active; cause to function or act.
- overactivity — Excessive activity.
- overcapacity — capacity beyond what is normal, allowed, or desirable.
- overcautious — excessively or unnecessarily cautious: Sometimes it doesn't pay to be overcautious in business.
- overcritical — excessively critical; hypercritical.
- overdelicate — extremely or excessively delicate: an overdelicate digestive system.
- overdramatic — of or relating to the drama.
- overemphatic — excessive or undue emphasis.
- overmedicate — to treat with medicine or medicaments.
- overreaction — to react or respond more strongly than is necessary or appropriate.
- overreactive — tending to react.
- ovolactarian — lacto-ovo-vegetarian.
- packet radio — (communications, radio) The use of packet switched communications protocols in large networks (i.e not wireless LANs or Bluetooth) having wireless links to terminals at least. Packet radio is split into amateur packet radio (AX25) and General Packet Radio Service (GRPS).
- pain control — methods for the relief and management of pain
- panchromatic — sensitive to all visible colors, as a photographic film.
- pantisocracy — a community, social group, etc, in which all have rule and everyone is equal
- paralation c — Paralation embedded in C. Under development.
- paroccipital — of or relating to the part of the skull next to the mastoid process; paramastoid
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- paronomastic — the use of a word in different senses or the use of words similar in sound to achieve a specific effect, as humor or a dual meaning; punning.
- participator — to take or have a part or share, as with others; partake; share (usually followed by in): to participate in profits; to participate in a play.
- particolored — having different colors in different areas or patches; variegated: a parti-colored dress.
- patroclinous — inheritance in which the traits of the offspring are derived primarily from the paternal parent (opposed to matrocliny).
- pectoral fin — (in fishes) either of a pair of fins usually situated behind the head, one on each side, and corresponding to the forelimbs of higher vertebrates.
- pentacrinoid — a larval crinoid resembling members of the genus Pentacrinus
- perceptional — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- perfectation — the action or process of becoming or causing to become perfect or complete
- periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
- peristomatic — surrounding a leaf's stoma or stomata
- pernoctation — the act of staying all night in a place, esp for prayer or as a vigil
- pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
- petrifaction — the act or process of petrifying; the state of being petrified.
- phallocratic — relating to a male, or the beliefs assumed by such, who assumes authority over females due to his maleness
- pharmacolite — hydrous calcium arsenate, 2CaO⋅As 2 O 5 ⋅5H 2 O, formed by natural alteration of mineral deposits containing arsenopyrite and arsenical ores of cobalt and silver.
- photographic — of or relating to photography.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- pictographic — a pictorial sign or symbol.
- pictorialism — Fine Arts. the creation or use of pictures or visual images, especially of recognizable or realistic representations.
- pictorialist — Fine Arts. the creation or use of pictures or visual images, especially of recognizable or realistic representations.
- pictorialize — to make pictorial; illustrate or represent with or as if with pictures.
- pirate coast — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- placentiform — shaped like a placenta, with a flat rounded form
- plagiotropic — growing more or less divergent from the vertical.
- point charge — an electric charge considered to exist at a single point, and thus having neither area nor volume.
- pointed arch — an arch having a pointed apex.
- politicaster — an ill-suited or disliked politician
- pontificator — the office or term of office of a pontiff.