9-letter words containing h, y, o, p
- phenocopy — the observed result of an environmentally induced, nongenetic alteration of a phenotype to a form that resembles the expression of a known genetic mutation.
- phenology — the science dealing with the influence of climate on the recurrence of such annual phenomena of animal and plant life as budding and bird migrations.
- phenotype — the observable constitution of an organism.
- phenytoin — a barbiturate-related substance, C 1 5 H 1 2 N 2 O 2 , used as an anticonvulsant in the treatment of grand mal epilepsy and in focal seizures.
- philogyny — love of or liking for women.
- philology — the study of literary texts and of written records, the establishment of their authenticity and their original form, and the determination of their meaning.
- phonatory — rapid, periodic opening and closing of the glottis through separation and apposition of the vocal cords that, accompanied by breath under lung pressure, constitutes a source of vocal sound.
- phonology — the study of the distribution and patterning of speech sounds in a language and of the tacit rules governing pronunciation.
- phonotype — a piece of type bearing a phonetic character or symbol.
- phonotypy — phonography (def 2).
- phony war — (in wartime) a period of apparent calm and inactivity, esp the period at the beginning of World War II
- photocopy — a photographic reproduction of a document, print, or the like.
- photolyse — to cause to undergo or to undergo photolysis
- photolyze — to break down molecules with light.
- photoplay — a motion-picture scenario; screenplay.
- phototype — a plate with a relief printing surface produced by photography.
- phototypy — the process or art of producing phototypes
- phycocyan — a type of blue pigment or protein which is found in some algae
- phycology — the branch of botany dealing with algae.
- phylakopi — an archaeological site on the Greek island of Melos, in the Cyclades group: excavations have revealed the remains of three successive ancient cities erected on a primitive Cycladic settlement.
- phyllopod — any crustacean of the order Phyllopoda, having leaflike swimming appendages.
- phylogeny — the development or evolution of a particular group of organisms.
- phytocide — a substance or preparation for killing plants.
- phytolith — a microscopic silica body that forms in a living plant and becomes fossilized.
- phytology — botany.
- phytosaur — any armored, semiaquatic reptile of the extinct order Phytosauria, of the Mesozoic Era, resembling the crocodile but unrelated, having the nostrils high on the snout and with well-developed hind limbs suggestive of bipedal ancestors.
- phytotomy — the study of the internal structure or anatomy of plants
- phytotron — a building in which plants can be grown on a large scale, under controlled conditions
- playdough — children's modelling clay
- playhouse — a theater.
- ploughboy — a boy who guides the animals drawing a plough
- pollyfish — parrotfish.
- polyantha — a type of clustering flower
- polyanthi — hybrid garden primroses
- polyarchy — a form of government in which power is vested in three or more persons.
- polyether — a polymeric ether.
- polygraph — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- polymathy — learning in many fields; encyclopedic knowledge.
- polymorph — Biology. an organism having more than one adult form, as the different castes in social ants.
- polyphagy — an insatiable appetite
- polyphase — having more than one phase.
- polyphone — a polyphonic letter or symbol.
- polyphony — Music. polyphonic composition; counterpoint.
- polyptych — a work of art composed of several connected panels.
- polythene — polyethylene.
- pompholyx — a type of eczema
- pop psych — psychological or pseudopsychological counseling, interpretations, concepts, terminology, etc., often simplistic or superficial, popularized by certain personalities, magazine articles, television shows, advice columns, or the like, that influence the general public.
- poppyhead — a finial or other ornament, often richly carved, as the top of the upright end of a bench or pew.
- porphyria — a defect of blood pigment metabolism in which porphyrins are produced in excess, are present in the blood, and are found in the urine.
- porphyric — of or relating to porphyria