13-letter words containing m, y, o, p
- photodynamics — the science dealing with light and its effects on living organisms.
- phrygian mode — an authentic church mode represented on the white keys of a keyboard instrument by an ascending scale from E to E.
- physharmonica — a keyboard musical instrument fitted with free reeds, and which is an early form of harmonium
- physics model — a variety of software illustrating the movement of objects in reality, used by designers of video games to improve verisimilitude
- physiognomies — the face or countenance, especially when considered as an index to the character: a fierce physiognomy.
- physostigmine — an alkaloid, C 1 5 H 2 1 N 3 O 2 , used in the treatment of Alzheimer's disease to raise the level of the neurotransmitter acetylcholine and also as a miotic in glaucoma.
- phytochemical — Also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health.
- plastic money — credit cards, used instead of cash
- play for time — a dramatic composition or piece; drama.
- plethysmogram — the recording of a plethysmograph.
- plough monday — the first Monday after Epiphany, which in N and E England used to be celebrated with a procession of ploughmen drawing a plough from house to house
- plymouth rock — a rock at Plymouth, Massachusetts, on which the Pilgrims who sailed on the Mayflower are said to have stepped ashore when they landed in America in 1620.
- pneumatolysis — the process by which rocks are altered or minerals and ores are formed by the action of vapors given off by magma.
- pneumatolytic — resulting from pneumatolysis
- pneumonectomy — excision of part or all of a lung.
- points system — a system used to assess applicants' eligibility for local authority housing, based on (points awarded for) such factors as the length of time the applicant has lived in the area, how many children are in the family, etc
- policy-making — Policy-making is the making of policies.
- poliomyelitis — an acute viral disease, usually affecting children and young adults, caused by any of three polioviruses, characterized by inflammation of the motor neurons of the brain stem and spinal cord, and resulting in a motor paralysis, followed by muscular atrophy and often permanent deformities.
- polychotomous — divided into multiple parts
- polychromatic — having or exhibiting a variety of colors.
- polycythaemia — an abnormal condition of the blood characterized by an increase in the number of red blood cells. It can occur as a primary disease of unknown cause (polycythaemia vera or erythraemia) or in association with respiratory or circulatory diseases
- polydaemonism — the belief in many evil spirits.
- polygamophile — a person who approves of or countenances polygamy, especially as practiced by others.
- polynomialism — a polynomial naming system
- polyoma virus — a small DNA-containing virus, of the papovavirus group, that can produce a variety of tumors in mice, hamsters, rabbits, and rats.
- polyribosomal — relating to a polyribosome
- polysomnogram — a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG.
- polysyllabism — a polysyllabic style or the use of multisyllabic words
- polysyllogism — an argument made up of a chain of syllogisms, the conclusion of each being a premise of the one following, until the last one.
- polythalamous — having multiple chambers
- poppy anemone — a southern European plant, Anemone coronaria, of the buttercup family, having tuberous roots and solitary, poppylike, red, blue, or white flowers, grown as an ornamental.
- portal system — a vascular arrangement in which blood from the capillaries of one organ is transported to the capillaries of another organ by a connecting vein or veins.
- postembryonic — occurring after the embryonic phase.
- postemergency — of, relating to, or occurring in the period after an emergency
- postvasectomy — of or occurring in the period after a vasectomy
- powder monkey — (formerly) a boy employed on warships to carry gunpowder from the magazine to the guns.
- pre-democracy — government by the people; a form of government in which the supreme power is vested in the people and exercised directly by them or by their elected agents under a free electoral system.
- predominantly — having ascendancy, power, authority, or influence over others; preeminent.
- predominately — to be the stronger or leading element or force.
- preemployment — being required or accomplished before an employee begins a new job: a preemployment medical exam.
- premonitorily — in a premonitory manner
- primary color — Art. a color, as red, yellow, or blue, that in mixture yields other colors. Compare complementary color (def 1), secondary color, tertiary color.
- primary group — a group of individuals living in close, intimate, and personal relationship.
- primary tooth — one of the temporary teeth of a mammal that are replaced by the permanent teeth.
- primordiality — constituting a beginning; giving origin to something derived or developed; original; elementary: primordial forms of life.
- priority mail — (in the U.S. Postal Service) mail consisting of merchandise weighing more than 12 ounces sent at first-class rates.
- pro-democracy — government by the people; a form of government in which the supreme power is vested in the people and exercised directly by them or by their elected agents under a free electoral system.
- promiscuously — characterized by or involving indiscriminate mingling or association, especially having sexual relations with a number of partners on a casual basis.
- promotability — to help or encourage to exist or flourish; further: to promote world peace.
- prostatectomy — excision of part or all of the prostate gland.