12-letter words containing i, t, h, y, p
- philanthropy — altruistic concern for human welfare and advancement, usually manifested by donations of money, property, or work to needy persons, by endowment of institutions of learning and hospitals, and by generosity to other socially useful purposes.
- phonetically — Also, phonetical. of or relating to speech sounds, their production, or their transcription in written symbols.
- phosphatidyl — an atom or group of atoms containing one or more unpaired electrons derived from a phosphatide
- photobiology — the study of the effects of light on biological systems.
- photodynamic — the science dealing with light and its effects on living organisms.
- photoglyphic — of or relating to photoglyphy
- phrontistery — a place or establishment for thinking, studying, or learning
- phycologists — the branch of botany dealing with algae.
- phycoxanthin — a yellow pigment found in brown seaweeds and types of algae
- phylacteries — Judaism. either of two small, black, leather cubes containing a piece of parchment inscribed with verses 4–9 of Deut. 6, 13–21 of Deut. 11, and 1–16 of Ex. 13: one is attached with straps to the left arm and the other to the forehead during weekday morning prayers by Orthodox and Conservative Jewish men.
- phylogenetic — the development or evolution of a particular group of organisms.
- physiologist — a specialist in physiology.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- phytobiology — the branch of biology dealing with plants.
- phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- phytogenesis — the origin and development of plants.
- phytonadione — vitamin K1.
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
- polycythemic — relating to polycythemia
- polygraphist — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- polyhistoric — relating to a polyhistor
- polyphyletic — developed from more than one ancestral type, as a group of animals.
- polyrhythmic — the simultaneous occurrence of sharply contrasting rhythms within a composition.
- polystichous — arranged in rows or series.
- polytheistic — pertaining to, characterized by, or adhering to polytheism, the doctrine that there is more than one god or many gods: Science thrived in the polytheistic culture of ancient Greece.
- polythiazide — a substance, C 1 1 H 1 3 ClF 3 N 3 O 4 S 3 , used as a diuretic in the management of edema and hypertension.
- polytriglyph — (in classical architecture) an intercolumniation of at least four triglyphs.
- posthypnotic — of or relating to the period after hypnosis.
- postsphygmic — of or relating to the pulse.
- praiseworthy — deserving of praise; laudable: a praiseworthy motive.
- prepsychotic — exhibiting behavior that indicates the approach of a psychotic reaction.
- prickly heat — a cutaneous eruption accompanied by a prickling and itching sensation, due to an inflammation of the sweat glands.
- prophylactic — defending or protecting from disease or infection, as a drug.
- protohistory — a branch of study concerned with the transition period between prehistory and the earliest recorded history.
- psammophytic — relating to psammophytes
- psychiatrist — a physician who practices psychiatry.
- psychoactive — of or relating to a substance having a profound or significant effect on mental processes: a psychoactive drug.
- psychologist — a specialist in psychology.
- psychometric — Psychology. psychometrics.
- psychopathic — of, relating to, or affected with psychopathy.
- psychoticism — the state of being psychotic
- psychotronic — of or relating to a genre of usually low-budget movies that includes horror, fantasy, science-fiction, and underground films.
- psychotropic — affecting mental activity, behavior, or perception, as a mood-altering drug.
- pteridophyte — any plant of the division Pteridophyta, characterized by vascular tissue and differentiation into root, stem, and leaves, comprising the ferns, horsetails, and club mosses.
- pyonephritis — suppurative inflammation of the kidney.
- pyophthalmia — suppurative inflammation of the eye.
- pyrithiamine — an antivitamin that causes thiamine deficiency
- pyritohedral — of or relating to a pyritohedron
- pyritohedron — a crystal form of 12 pentagonal faces.
- pyromorphite — a mineral, lead chlorophosphate, Pb 5 P 3 O 1 2 Cl, occurring in crystalline and massive forms, and of a green, yellow, or brown color; green lead ore: a minor ore of lead.