10-letter words containing a, p, o, r, i
- mimeograph — a printing machine with an ink-fed drum, around which a cut waxed stencil is placed and which rotates as successive sheets of paper are fed into it.
- mimography — the representation of sign language in writing
- misprogram — to program badly or wrongly
- monocarpic — producing fruit only once and then dying.
- morphactin — any of various synthetic compounds, derived from fluorine and carboxylic acid, that regulate the growth and development of plants.
- muciparous — muciferous.
- multipolar — having several or many poles.
- nalorphine — a white, crystalline, water-soluble powder, C 1 9 H 2 1 NO 3 , used to nullify respiratory depression due to narcotics and for the diagnosis of addiction to narcotics.
- near point — the point nearest the eye at which an object is clearly focused on the retina when accommodation of the eye is at a maximum.
- near-point — the point nearest the eye at which an object is clearly focused on the retina when accommodation of the eye is at a maximum.
- neuropodia — Plural form of neuropodium.
- non parity — parity
- nonaspirin — (of a medicine) not containing aspirin
- nonpareils — Plural form of nonpareil.
- nonparties — Plural form of nonparty.
- omniparity — a state of universal equality
- omniparous — producing or generating all things
- operagoing — Attending opera performances.
- operations — Plural form of operation.
- operatives — Plural form of operative.
- ophiolater — a person who worships snakes
- ophiolatry — the worship of snakes.
- opium wars — a war between Great Britain and China that began in 1839 as a conflict over the opium trade and ended in 1842 with the Chinese cession of Hong Kong to the British, the opening of five Chinese ports to foreign merchants, and the grant of other commercial and diplomatic privileges in the Treaty of Nanking.
- orange-tip — a European butterfly, Anthocharis cardamines, having whitish wings with orange-tipped forewings: family Pieridae
- organ pipe — one of the pipes of a pipe organ.
- orographic — Of or relating to mountains, especially with regard to their position and form.
- orpharions — Plural form of orpharion.
- overpraise — to praise excessively or unduly.
- paedotribe — (in ancient Greece) a gymnastics teacher
- pair royal — Cribbage. a set of three cards of the same denomination, worth six points.
- palindrome — 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.
- panic room — a secure room with a separate telephone line within a house, to which a person can flee if someone breaks in
- panivorous — subsisting on bread; bread-eating.
- parabiosis — experimental or natural union of two individuals with exchange of blood.
- parabiotic — experimental or natural union of two individuals with exchange of blood.
- parabolize — to form as a parabola or paraboloid.
- paraboloid — a surface that can be put into a position such that its sections parallel to at least one coordinate plane are parabolas.
- paragnosis — knowledge obtained by supernatural means
- paragonite — a mica, similar in composition and appearance to muscovite but containing sodium instead of potassium.
- paralation — PARALlel reLATION. Sabot, MIT 1987. A framework for parallel programming. A "field" is an array of objects, placed at different sites. A paralation is a group of fields, defining nearness between field elements. Operations can be performed in parallel on every site of a paralation.
- paralogism — argument violating principles of valid reasoning.
- paralogize — to draw conclusions that do not follow logically from a given set of assumptions.
- paramaribo — a republic on the NE coast of South America: formerly a territory of the Netherlands; gained independence 1975. 60,230 sq. mi. (155,995 sq. km). Capital: Paramaribo.
- paraphonia — a disorder of the voice, usually caused by disease
- paraphonic — of, relating to, or characterized by paraphonia
- parapodial — of, relating to, or resembling a parapodium
- parapodium — one of the unjointed rudimentary limbs or processes of locomotion of many worms, as annelids.
- parasitoid — an organism that practices parasitoidism.
- parasomnia — any of several sleep disorders characterized by abnormal or unusual behaviour of the nervous system during any of the stages of sleep
- pareidolia — the imagined perception of a pattern or meaning where it does not actually exist, as in considering the moon to have human features