13-letter words containing h, o, m, p, t
- opthalmoscope — Misspelling of ophthalmoscope.
- optic chiasma — a site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.
- over the hump — a rounded protuberance, especially a fleshy protuberance on the back, as that due to abnormal curvature of the spine in humans, or that normally present in certain animals, as the camel or bison.
- over-shipment — an act or instance of shipping freight or cargo.
- palm off with — If you say that you are palmed off with a lie or an excuse, you are annoyed because you are told something in order to stop you asking any more questions.
- parental home — a school for problem children.
- pathognomonic — Medicine/Medical. characteristic or diagnostic of a specific disease: a pathognomonic sign of pneumonia.
- pathomorphism — abnormal morphology.
- peppered moth — a European geometrid moth, Biston betularia, occurring in a pale grey speckled form in rural areas and a black form in industrial regions
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- phantasmagory — phantasmagoria.
- phantom stock — an employee bonus expressed as the cash value of a specified amount of company stock to be received at a future date, meant to create employee interest in raising stock prices without giving any stock away.
- pharyngectomy — excision of part or all of the pharynx.
- phenomenality — highly extraordinary or prodigious; exceptional: phenomenal speed.
- phonocamptics — the branch of acoustics dealing with echoes
- photochemical — the branch of chemistry that deals with the chemical action of light.
- photochromism — the reversible transformation of something's colour due to exposure to electromagnetic radiation such as sunlight
- photocomposer — a machine for setting type photographically.
- photodynamics — the science dealing with light and its effects on living organisms.
- photoemission — photoelectric effect.
- phototelegram — a telegram that is sent by means of phototelegraphy
- 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.
- pistol shrimp — any common shrimp of the family Alphaeidae, distinguished by the snapping sound made by its enlarged claw.
- plant hormone — an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc.
- platform shoe — a shoe with a platform.
- plethysmogram — the recording of a plethysmograph.
- 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.
- pneumatograph — pneumograph.
- pneumatophore — Botany. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
- 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
- polythalamous — having multiple chambers
- post-midnight — the middle of the night; twelve o'clock at night.
- potato-masher — a kitchen implement used to crush or mash potatoes
- powder method — a method of x-ray determination of crystal structure using a powdered sample.
- premonishment — a forewarning
- primary tooth — one of the temporary teeth of a mammal that are replaced by the permanent teeth.
- primrose path — a way of life devoted to irresponsible hedonism, often of a sensual nature: The evangelist exhorted us to avoid the primrose path and stick to the straight and narrow.
- promonarchist — the principles of monarchy.
- protest march — public demonstration
- psychometrics — the measurement of mental traits, abilities, and processes.
- psychomimetic — psychotomimetic.
- psychosomatic — of or relating to a physical disorder that is caused by or notably influenced by emotional factors.
- psychrometric — relating to psychrometry
- pyrheliometer — an instrument for measuring the total intensity of the sun's energy radiation.
- rapprochement — an establishment or reestablishment of harmonious relations: a rapprochement reached between warring factions.
- smooth-spoken — speaking or spoken easily and softly.
- somatopsychic — of or relating to the effects of the body on the mind.