10-letter words containing s, p, o, i
- pancosmism — the philosophical doctrine that the material universe is all that exists
- panivorous — subsisting on bread; bread-eating.
- pansophism — a claim or pretension to pansophy.
- pansophist — someone with universal knowledge
- parabiosis — experimental or natural union of two individuals with exchange of blood.
- paragnosis — knowledge obtained by supernatural means
- paralogism — argument violating principles of valid reasoning.
- 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
- parodistic — parodic.
- paroecious — (of certain mosses) having the male and female reproductive organs beside or near each other.
- paroxysmic — any sudden, violent outburst; a fit of violent action or emotion: paroxysms of rage.
- parrotfish — any of various chiefly tropical marine fishes, especially of the family Scaridae: so called because of their brilliant coloring and the shape of their jaws.
- parsonical — a member of the clergy, especially a Protestant minister; pastor; rector.
- parvovirus — Veterinary Pathology. a highly contagious, often fatal viral disease of dogs, characterized by vomiting, severe diarrhea, and depression and accompanied by high fever and loss of appetite.
- pasionaria — La (la), real name Dolores Ibarruri. 1895–1989, Spanish Communist leader, who lived in exile in the Soviet Union (1939–75)
- pass point — a point located photogrammetrically and used as a reference point in orienting other photographs.
- passiflora — a plant of the genus Passiflora
- passionary — passional (def 3).
- passionate — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- passionist — a member of the “Congregation of Barefooted Clerks of the Most Holy Cross and Passion of Our Lord Jesus Christ,” founded in 1720 and engaged chiefly in missionary work.
- pastorship — the position, authority, or office of a pastor.
- patriotism — devoted love, support, and defense of one's country; national loyalty.
- patronised — to give (a store, restaurant, hotel, etc.) one's regular patronage; trade with.
- patronship — a person who is a customer, client, or paying guest, especially a regular one, of a store, hotel, or the like.
- peacockish — the male of the peafowl distinguished by its long, erectile, greenish, iridescent tail coverts that are brilliantly marked with ocellated spots and that can be spread in a fan.
- pecos bill — a legendary cowboy of the American frontier who performed such fabulous feats as digging the Rio Grande.
- pectoralis — either of two muscles on each side of the upper and anterior part of the thorax, the action of the larger (pectoralis major) assisting in drawing the shoulder forward and rotating the arm inward, and the action of the smaller (pectoralis minor) assisting in drawing the shoulder downward and forward.
- pedagogics — the science or art of teaching or education; pedagogy.
- pedagogism — the principles, manner, method, or characteristics of pedagogues.
- pediculous — the state of being infested with lice.
- pedologist — the scientific study of the nature and development of children.
- pemphigous — of, relating to, or affected by pemphigus
- penologist — the study of the punishment of crime, in both its deterrent and its reformatory aspects.
- pensionary — a pensioner.
- pensioneer — to canvas votes by promising higher pensions
- pensionnat — a simple boarding house or small hotel in France
- pentapolis — a group or federation of five cities; esp in reference to various ancient (Biblical and Classical) federations of five cities or towns
- pepsinogen — crystals, occurring in the gastric glands, that during digestion are converted into pepsin.
- peptolysis — causing the hydrolysis of peptides.
- percussion — the striking of one body against another with some sharpness; impact; blow.
- perfidious — deliberately faithless; treacherous; deceitful: a perfidious lover.
- pergelisol — permafrost.
- periastron — the point at which the stars of a binary system are closest (opposed to apastron).
- periculous — dangerous; perilous
- perigynous — situated around the pistil on the edge of a cuplike receptacle, as stamens or petals.
- perilously — involving or full of grave risk or peril; hazardous; dangerous: a perilous voyage across the Atlantic in a small boat.
- periosteum — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- periscopic — Optics. (of certain lenses in special microscopes, cameras, etc.) giving distinct vision obliquely, or all around, as well as, or instead of, in a direct line.
- perjurious — the willful giving of false testimony under oath or affirmation, before a competent tribunal, upon a point material to a legal inquiry.