15-letter words containing p, y, t, h
- pattypan squash — a flat, whitish variety of squash, Cucurbita pepo melopepo, having a scalloped edge.
- payment holiday — a break taken from paying ( a debt etc) back
- pentaerythritol — a white, crystalline, water-soluble powder, C 5 H 1 2 O 4 , used chiefly in the manufacture of alkyd resins, varnishes, plasticizers, and explosives.
- pharmacotherapy — the treatment of disease through the administration of drugs.
- phenyl valerate — a colorless, slightly water-soluble liquid, C 1 1 H 1 4 O 2 , used chiefly in flavoring and perfumery.
- phenylketonuria — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
- phenylketonuric — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
- phosphorylation — to introduce the phosphoryl group into (an organic compound).
- phosphorylative — of or relating to phosphorylation
- photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
- photosynthesize — to produce carbohydrates by photosynthesis: Plants with light green leaves don't photosynthesize as well as those with darker leaves.
- phototactically — in a phototactic manner
- phototelegraphy — facsimile (def 2a).
- phototopography — topographical surveying employing photogrammetric methods.
- phototropically — in a phototropic manner
- phototypesetter — a machine for phototypesetting
- phototypography — (formerly) the art or technique of making printing surfaces by light or photography, by any of a large number of processes.
- photoxylography — the process of using photography in order to produce an image on wood, for the use of a wood engraver
- physical optics — the branch of optics concerned with the wave properties of light, the superposition of waves, the deviation of light from its rectilinear propagation in a manner other than that considered by geometrical optics, the interaction of light with matter, and the quantum, corpuscular aspects of light.
- physicalization — to express in physical terms; give form or shape to: The dancers physicalized the mood of the music.
- physiopathology — pathophysiology.
- physiotherapist — physical therapy.
- phytochemically — in a phytochemical manner
- phytoflagellate — any microscopic flagellate that is photosynthetic.
- phytopathogenic — of, possessing the properties of, or relating to a phytopathogen
- pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
- plant pathology — the branch of botany dealing with diseases of plants.
- platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
- play havoc with — bring chaos to
- play the market — to speculate on a stock exchange
- plethysmography — the tracking of changes measured in bodily volume
- plymouth colony — the colony established in SE Massachusetts by the Pilgrims in 1620.
- pneumatotherapy — the use of compressed or rarefied air in treating disease.
- polychlorinated — having multiple chlorine atoms
- polyphemus moth — a large, yellowish-brown American silkworm moth, Antheraea polyphemus, having a prominent eyespot on each hind wing and feeding on cherry, apple, and other trees.
- postsynchronize — to add sound, such as dubbing, to a film or video after shooting is completed
- primary feather — any of the flight feathers growing from the manus of a bird's wing
- primary teacher — a teacher in a primary school
- property rights — a legal right to or in a particular property.
- psychiatrically — the practice or science of diagnosing and treating mental disorders.
- psychoacoustics — the study of sound perception.
- psychobiologist — the use of biological methods to study normal and abnormal emotional and cognitive processes, as the anatomical basis of memory or neurochemical abnormalities in schizophrenia.
- psychochemistry — the treatment of mental illnesses by drugs
- psychogeriatric — the psychology of old age.
- psychohistorian — a person who writes psychohistory
- psychopathology — the science or study of mental disorders.
- psychophysicist — a person who specializes in psychophysics
- psychosynthesis — a theoretical effort to reconcile components of the unconscious, including dreams, with the rest of the personality.
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- psychotomimetic — (of a substance or drug) tending to produce symptoms like those of a psychosis; hallucinatory.