12-letter words containing a, p, r, i, o
- irish potato — potato (def 1).
- irreciprocal — not reciprocal
- irreprovable — Not reprovable; irreproachable.
- irreprovably — in an irreprovable manner
- isoprenaline — a compound that is a derivative of adrenaline and that is used to treat asthma and bronchial conditions. Formula: C11H17NO3
- japonaiserie — stylistic characteristics, as in art, decor, or film, influenced by or reflective of Japanese culture and tradition.
- jaw-dropping — Something that is jaw-dropping is extremely surprising, impressive, or shocking.
- jeopardising — Present participle of jeopardise.
- jeopardizing — Present participle of jeopardize.
- joking apart — seriously: said to recall a discussion to seriousness after there has been joking
- karyomapping — a technique for determining whether an embryo has inherited a genetic defect by analysing DNA taken from it and its close relatives
- katamorphism — metamorphism at or near the earth's surface: breaks down complex minerals into simpler ones.
- kinetography — a camera for taking pictures for a kinetoscope.
- kleptocratic — a government or state in which those in power exploit national resources and steal; rule by a thief or thieves.
- labour pains — the pains felt during the contractions of childbirth
- lactoprotein — any protein existing in milk.
- lamprophyric — belonging or relating to a lamprophyre
- laparoscopic — a flexible fiberoptic instrument, passed through a small incision in the abdominal wall and equipped with biopsy forceps, an obturator, scissors or the like, with which to examine the abdominal cavity or perform minor surgery.
- laparotomies — Plural form of laparotomy.
- laparotomize — to perform a laparotomy on.
- leapfrogging — Present participle of leapfrog.
- leopard lily — a tall lily, Lilium pardalinum, of California, having drooping, orange-red flowers with purple speckles, a yellow base, and recurved petal tips.
- lepidopteran — lepidopterous.
- leprosariums — Plural form of leprosarium.
- lexicography — the writing, editing, or compiling of dictionaries.
- liar paradox — a logical paradox that results from consideration of statements of the form “This statement is false.” If the statement is true, then it is false, whereas if it is false, then it is true.
- lincoln park — a city in SE Michigan.
- lipoproteina — a plasma lipoprotein containing protein and cholesterol, high levels of which are associated with atherosclerosis.
- liposarcomas — Plural form of liposarcoma.
- lithographed — Simple past tense and past participle of lithograph.
- lithographer — a person who works at lithography.
- lithographic — Of, relating to, or produced by lithography.
- liverpolitan — a native or inhabitant of Liverpool
- loading ramp — a ramp that is used for loading a ship
- lycanthropic — a delusion in which one imagines oneself to be a wolf or other wild animal.
- macrophysics — the branch of physics that deals with physical objects large enough to be observed and treated directly.
- madreporites — Plural form of madreporite.
- malapportion — to apportion improperly or unfairly (voting districts, a legislature, etc.)
- malapropisms — Plural form of malapropism.
- mammographic — Of, or pertaining to, mammography.
- manipulators — Plural form of manipulator.
- manipulatory — to manage or influence skillfully, especially in an unfair manner: to manipulate people's feelings.
- marconigraph — (dated) wireless telegraph.
- marimbaphone — (obsolete, music) A kind of percussion idiophone, like the marimba but with steel keys instead of wood, developed in early 20th century United States.
- marine corps — a branch of the U.S. Armed Forces trained for land, sea, and air combat, typically for land combat in conjunction with an amphibious or airborne landing, and whose commandant is responsible to the secretary of the navy.
- master point — a point awarded to a bridge player who has won or placed in an officially recognized tournament.
- mastigophora — a phylum of protozoans comprising nonphotosynthetic, chiefly free-living flagellates: some species are important pathogens of humans and other animals.
- mastigophore — Any flagellate of the phylum Mastigophora.
- media person — a person who works in the mass media
- mediatorship — the position of a mediator