15-letter words containing a, m, y, l
- phytochemically — in a phytochemical manner
- planimetrically — in a planimetric manner
- planned economy — an economic system in which the government controls and regulates production, distribution, prices, etc.
- platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
- play the market — to speculate on a stock exchange
- plethysmography — the tracking of changes measured in bodily volume
- polymorphically — in a polymorphic manner
- polynomial ring — the set of all polynomials in an indeterminate variable with coefficients that are elements of a given ring.
- polynomial-time — (complexity) (P) The set or property of problems which can be solved by a known polynomial-time algorithm.
- polysomnography — a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG.
- polysyllabicism — a polysyllabic style
- poststimulatory — following stimulation
- poultry farming — breeding and keeping fowl
- premillennially — from a premillennial point of view
- primary quality — any of the qualities inherent in an object, namely quantity, extent, figure, solidity, and motion or rest.
- primary sealing — Primary sealing is devices used for sealing tanks, to reduce emissions, often made of foam.
- primrose family — the plant family Primulaceae, characterized by herbaceous plants having simple, opposite, whorled, or basal leaves, flowers with a five-lobed corolla, and capsular fruit, and including cyclamen, loosestrife of the genus Lysimachia, pimpernel, primrose, and shooting star.
- prismatic layer — the middle layer of the shell of certain mollusks, consisting chiefly of crystals of calcium carbonate.
- problematically — of the nature of a problem; doubtful; uncertain; questionable.
- programmability — capable of being programmed.
- proximity talks — a diplomatic process whereby an impartial representative acts as go-between for two opposing parties who are willing to attend the same conference but unwilling to meet face to face
- pseudo-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
- pseudomutuality — a relationship between two persons in which conflict of views or opinions is solved by simply ignoring it
- pulmonary valve — a semilunar valve between the pulmonary artery and the right ventricle of the heart that prevents the blood from flowing back into the right ventricle.
- purslane family — the plant family Portulacaceae, characterized by chiefly herbaceous plants having simple, often fleshy leaves, sometimes showy flowers, and capsular fruit, and including bitterroot, purslane, red maids, rose moss, and spring beauty.
- pusillanimously — lacking courage or resolution; cowardly; faint-hearted; timid.
- pyramid selling — Pyramid selling is a method of selling in which one person buys a supply of a particular product direct from the manufacturer and then sells it to a number of other people at an increased price. These people sell it on to others in a similar way, but eventually the final buyers are only able to sell the product for less than they paid for it.
- pyramidal tract — any of four tracts of descending motor fibers that extend in pairs down each side of the spinal column and function in voluntary movement.
- qualifying exam — any examination that one needs to pass in order to begin or continue with a course of study
- quezon y molina — Manuel Luis [mah-nwel lwees] /mɑˈnwɛl lwis/ (Show IPA), 1878–1944, Philippine political leader; 1st president of the Philippine Commonwealth 1933–44.
- racial minority — a group of a certain race that are in the minority compared to a larger group, the rest of the population, etc
- radial symmetry — a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom-dwelling animals, as the sea anemone and starfish.
- radiochemically — by radiochemical means or methods; from a radiochemical perspective
- radioimmunology — the study of biological substances or processes with the aid of antigens or antibodies labeled with a radioactive isotope.
- radiometrically — using a radiometric method, in terms of radiometry
- rememberability — the quality of being easily remembered
- remonstratingly — in an remonstrating or dissenting manner
- remonstratively — in a remonstrative or expostulatory manner
- right of asylum — the right of alien fugitives to protection or nonextradition in a country or its embassy.
- ringtail monkey — a Central and South American monkey, Cebus capucinus, having a prehensile tail and hair on the head resembling a cowl.
- rockrose family — the plant family Cistaceae, characterized by herbaceous plants and shrubs having simple, usually opposite leaves, solitary or clustered flowers, and capsular fruit, and including the frostweed, pinweed, and rockrose.
- salem secretary — a tall cabinet having a recessed upper part fitted with drawers and shelves and a lower part with doors and a section falling or pulling out to serve as a writing surface.
- secondary metal — metal derived wholly or in part from scrap.
- secondary xylem — xylem derived from the cambium during secondary growth.
- self-admittedly — admitting to a specific charge or accusation; self-confessed: a self-admitted spy.
- semi-analytical — pertaining to or proceeding by analysis (opposed to synthetic).
- semicrystalline — partly or imperfectly crystalline.
- semicylindrical — of, relating to, or having the shape of a semicylinder
- serial monogamy — a form of monogamy characterized by several successive, short-term marriages over the course of a lifetime.
- siege mentality — a state of mind whereby one believes that one is being constantly attacked, oppressed, or isolated.