15-letter words containing y, n
- packing density — a measure of the amount of data that can be held by unit length of a storage medium, such as magnetic tape
- palaeolimnology — the study of ancient lake ecologies
- palaeontography — the branch of palaeontology concerned with the description of fossils
- palindromically — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- palynologically — from a palynological point of view
- parenthetically — of, pertaining to, noting, or of the nature of a parenthesis: several unnecessary parenthetic remarks.
- parliamentarily — in a parliamentary manner
- passenger ferry — a ferry that carries passengers
- paternity leave — a leave of absence from a job for a father to care for a new baby.
- paternity order — a court order which declares a child's paternity
- pattypan squash — a flat, whitish variety of squash, Cucurbita pepo melopepo, having a scalloped edge.
- pay as you earn — a method of paying tax in which the tax is taken off your wages before they are paid to you
- pay-and-display — denoting a car-parking system in which a motorist buys a permit to park for a specified period from a coin-operated machine and displays the permit on or near the windscreen of his or her car so that it can be seen by a parking attendant
- payment holiday — a break taken from paying ( a debt etc) back
- pearly nautilus — nautilus (def 1).
- 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.
- perpendicularly — vertical; straight up and down; upright.
- personal injury — injury to an individual
- petit serjeanty — serjeanty in which the tenant renders services of an impersonal nature to the king, as providing him annually with an implement of war, as a lance or bow.
- phenazopyridine — a substance, C 1 1 H 1 2 ClN 5 , used as a lower urinary tract analgesic.
- phenyl valerate — a colorless, slightly water-soluble liquid, C 1 1 H 1 4 O 2 , used chiefly in flavoring and perfumery.
- phenylene group — any of three bivalent, isomeric groups having the formula –C 6 H 4 –, derived from benzene by the removal of two hydrogen atoms.
- phenylhydrazine — a yellow, poisonous liquid or low-melting solid, C 6 H 8 N 2 , used in chemical analysis and organic synthesis.
- 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.
- phonogramically — in a phonogramic manner
- phosphorylation — to introduce the phosphoryl group into (an organic compound).
- photosynthesize — to produce carbohydrates by photosynthesis: Plants with light green leaves don't photosynthesize as well as those with darker leaves.
- phrenologically — in a manner relating to phrenology
- physical change — a usually reversible change in the physical properties of a substance, as size or shape: Freezing a liquid is a physical change.
- physicalization — to express in physical terms; give form or shape to: The dancers physicalized the mood of the music.
- phytopathogenic — of, possessing the properties of, or relating to a phytopathogen
- 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.
- plane surveying — the surveying of areas of limited size, making no corrections for the earth's curvature
- planimetrically — in a planimetric manner
- planned economy — an economic system in which the government controls and regulates production, distribution, prices, etc.
- plant pathology — the branch of botany dealing with diseases of plants.
- platitudinously — in a platitudinal manner
- platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
- plenipotentiary — a person, especially a diplomatic agent, invested with full power or authority to transact business on behalf of another.
- plunket society — the Royal New Zealand Society for the Health of Women and Children
- plymouth colony — the colony established in SE Massachusetts by the Pilgrims in 1620.
- pneumatotherapy — the use of compressed or rarefied air in treating disease.
- policy issuance — Policy issuance is the process of creating an insurance policy and providing it to the policyholder.
- polychlorinated — having multiple chlorine atoms
- polychloroprene — a chloroprene polymer
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polyisobutylene — a polymer of isobutylene, used chiefly in the manufacture of synthetic rubber.