15-letter words containing y, t, a, l
- photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
- phototactically — in a phototactic manner
- phototelegraphy — facsimile (def 2a).
- phototropically — in a phototropic manner
- 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.
- phytochemically — in a phytochemical manner
- phytoflagellate — any microscopic flagellate that is photosynthetic.
- picture gallery — place where art is exhibited and sold
- picture library — A picture library is a collection of photographs that is held by a particular company or organization. Newspapers or publishers can pay to use the photographs in their publications.
- pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
- piggyback plant — a plant, Tolmiea menziesii, of the saxifrage family, native to western North America, that produces new plants at the base of its broad, hairy leaves and that is popular as a houseplant.
- pinocytotically — by the process of pinocytosis or in a pinocytotic manner
- pituitary gland — a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
- planimetrically — in a planimetric manner
- plant pathology — the branch of botany dealing with diseases of plants.
- plastic surgery — the branch of surgery dealing with the repair or replacement of malformed, injured, or lost organs or tissues of the body, chiefly by the transplant of living tissues.
- platitudinously — in a platitudinal manner
- platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
- play favourites — to display favouritism
- play havoc with — bring chaos to
- play the market — to speculate on a stock exchange
- plenipotentiary — a person, especially a diplomatic agent, invested with full power or authority to transact business on behalf of another.
- plethysmography — the tracking of changes measured in bodily volume
- pluralistically — from a pluralistic point of view
- political party — an organization of people who share the same views about the way power should be used in a country or society (through government, policy-making, etc)
- polycarboxylate — a salt or ester of a polycarboxylic acid. Polycarboxylate esters are used in certain detergents
- polychlorinated — having multiple chlorine atoms
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polynomial-time — (complexity) (P) The set or property of problems which can be solved by a known polynomial-time algorithm.
- polyunsaturated — of or noting a class of animal or vegetable fats, especially plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
- popeye catalufa — See under catalufa.
- postapocalyptic — of or like an apocalypse; affording a revelation or prophecy.
- postoperatively — occurring after a surgical operation.
- poststimulatory — following stimulation
- postulationally — in a postulational manner
- poultry farming — breeding and keeping fowl
- presynaptically — in a presynaptic manner
- preternaturally — out of the ordinary course of nature; exceptional or abnormal: preternatural powers.
- primary quality — any of the qualities inherent in an object, namely quantity, extent, figure, solidity, and motion or rest.
- prismatic layer — the middle layer of the shell of certain mollusks, consisting chiefly of crystals of calcium carbonate.
- privately owned — owned by a private individual or organization, rather than by the state or a public body
- problematically — of the nature of a problem; doubtful; uncertain; questionable.
- programmability — capable of being programmed.
- property ladder — progress from cheaper to more expensive housing
- proportionality — having due proportion; corresponding.
- proportionately — proportioned; being in due proportion; proportional.
- propositionally — the act of offering or suggesting something to be considered, accepted, adopted, or done.