12-letter words containing a, d, r, o, i, t
- orthovanadic — relating to orthovanadates
- outsider art — art produced by untutored artists working by themselves and for themselves
- outspreading — Present participle of outspread.
- overdelicate — extremely or excessively delicate: an overdelicate digestive system.
- overdominant — excessively dominant
- overdrafting — the removal of more water from ground and surface basins than is replaced by rain and melting snow.
- overdramatic — of or relating to the drama.
- overfatigued — excessively fatigued
- overmedicate — to treat with medicine or medicaments.
- oversedation — the calming of mental excitement or abatement of physiological function, especially by the administration of a drug.
- overstrained — exerted, taxed, or used to an excessive extent
- 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).
- palindromist — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- particolored — having different colors in different areas or patches; variegated: a parti-colored dress.
- pas de trois — a dance for three dancers.
- pentacrinoid — a larval crinoid resembling members of the genus Pentacrinus
- peroxidation — a type of reaction in which oxygen atoms are formed leading to the production of peroxides. It is stimulated in the body by certain toxins and infections
- pilot ladder — Jacob's ladder (def 2a).
- pirate radio — radio broadcasting illegally
- point spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
- point-spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
- pointed arch — an arch having a pointed apex.
- postcardlike — (of a scene) resembling a postcard
- postmeridian — of or relating to the afternoon.
- postprandial — after a meal, especially after dinner: postprandial oratory; a postprandial brandy.
- pot marigold — calendula (def 1).
- prerogatived — possessing a prerogative
- privatdocent — (in German and certain other universities) a private teacher or lecturer recognized by the university but receiving no compensation from it, being remunerated by fees.
- privatdozent — (in German and certain other universities) a private teacher or lecturer recognized by the university but receiving no compensation from it, being remunerated by fees.
- proboscidate — having a proboscis.
- productional — the act of producing; creation; manufacture.
- progradation — seaward growth of a beach, delta, fan, etc., by progressive deposition of sediment by rivers or shoreline processes.
- promuscidate — shaped like a proboscis
- propaedeutic — pertaining to or of the nature of preliminary instruction.
- propagandist — a person involved in producing or spreading propaganda.
- providential — of, relating to, or resulting from divine providence: providential care.
- pteridomania — an excessive enthusiasm for ferns
- pteroic acid — a crystalline acid found in spinach
- punditocracy — influential media pundits collectively.
- pyritohedral — of or relating to a pyritohedron
- radiator cap — a cap in the opening of a device for cooling an internal-combustion engine, through which coolant liquid can be added
- radioelement — a radioactive element.
- radioisotope — a radioactive isotope, usually artificially produced: used in physical and biological research, therapeutics, etc.
- radiolocator — radar.
- radiomimetic — (of drugs) producing effects similar to those produced by X-rays
- radiophonist — a person who produces radiophonic music
- radiotherapy — treatment of disease by means of x-rays or of radioactive substances.
- radiothorium — a disintegration product of thorium.
- readaptation — the act of adapting.
- reciprocated — to give, feel, etc., in return.