12-letter words containing h, y, p, o
- phreatophyte — a long-rooted plant that absorbs its water from the water table or the soil above it.
- 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
- phylogenesis — the development or evolution of a particular group of organisms.
- phylogenetic — the development or evolution of a particular group of organisms.
- physiognomic — the face or countenance, especially when considered as an index to the character: a fierce physiognomy.
- physiography — the science of physical geography.
- physiologies — the branch of biology dealing with the functions and activities of living organisms and their parts, including all physical and chemical processes.
- physiologist — a specialist in physiology.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- physostomous — having the mouth and air bladder connected by an air duct.
- phytobenthos — microscopic plants that live in the bottom of the ocean
- 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.
- phytographer — a botanist involved with plant description
- phytohormone — hormone (def 3).
- phytonadione — vitamin K1.
- phytophagous — herbivorous.
- phytophthora — any of a group of fungi of the genus Phytophthora, which cause a serious plant disease, especially affecting apple and pear trees and potatoes.
- phytotherapy — the use of plants and plant products for medicinal purposes
- pidyon haben — the rite of relieving the first male child born to parents not descended from Aaron or Levi of certain religious obligations by redeeming him from a member of the priestly class, celebrated 30 days after the child's birth.
- play clothes — clothes that are suitable for playing in
- play through — to pass another foursome or group with their permission, while playing a round of golf
- plymouth bay — a small, well-protected bay on the coast of Massachusetts; the first permanent European settlement in New England; founded by the Pilgrim Fathers.
- pneumography — the process of recording the movements of the thorax in respiration.
- polarography — Chemistry. the use of a Polarograph to perform qualitative or quantitative analyses.
- policyholder — the individual or firm in whose name an insurance policy is written; an insured.
- pollyannaish — an excessively or blindly optimistic person.
- polyarchical — a form of government in which power is vested in three or more persons.
- polychaetous — of or relating to the genus Polychaeta
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
- polycythemic — relating to polycythemia
- polyethylene — a plastic polymer of ethylene used chiefly for containers, electrical insulation, and packaging.
- polygraphist — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- polyhedrosis — an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.
- polyhistoric — relating to a polyhistor
- polymorphism — the state or condition of being polymorphous.
- polymorphous — having, assuming, or passing through many or various forms, stages, or the like.
- polypharmacy — the use of two or more drugs together, usually to treat a single condition or disease.
- polyphenolic — relating to a polyphenol
- polyphyletic — developed from more than one ancestral type, as a group of animals.
- polyphyllous — made up of multiple members or parts
- polyphyodont — having many successive sets of teeth, as fishes and other lower vertebrates
- polyrhythmic — the simultaneous occurrence of sharply contrasting rhythms within a composition.
- polystichous — arranged in rows or series.
- polysulphide — any sulphide of a metal containing divalent anions in which there are chains of sulphur atoms, as in the polysulphides of sodium, Na2S2, Na2S3, Na2S4, etc
- 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.