13-letter words containing p, h, y, t, o
- orthoepically — In terms of correct pronunciation.
- orthopyroxene — a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene
- osteophytosis — Lb medicine The presence of osteophytes.
- paleethnology — (formerly) the branch of ethnology concerned with the earliest or most primitive human societies.
- parasyntheton — a word formed by parasynthesis; for example, kind-hearted
- parthenocarpy — the production of fruit without fertilization of an egg in the ovary.
- pathogenicity — the disease-producing capacity of a pathogen.
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phantasmagory — phantasmagoria.
- pharyngectomy — excision of part or all of the pharynx.
- phenomenality — highly extraordinary or prodigious; exceptional: phenomenal speed.
- phosphorylate — to introduce the phosphoryl group into (an organic compound).
- photo gallery — display of collected photographs
- photo-biology — the study of the effects of light on biological systems.
- photodynamics — the science dealing with light and its effects on living organisms.
- photosynthate — a compound formed by photosynthesis.
- phototoxicity — damage, esp to the skin, as a result of exposure to light
- phreatophytic — of, possessing the properties of, or relating to a phreatophyte
- phycoerythrin — a red protein pigment occurring in red algae.
- phyllogenetic — of or relating to the development of leaves.
- physiotherapy — physical therapy.
- physoclistous — having the air bladder closed off from the mouth.
- physostigmine — an alkaloid, C 1 5 H 2 1 N 3 O 2 , used in the treatment of Alzheimer's disease to raise the level of the neurotransmitter acetylcholine and also as a miotic in glaucoma.
- phytochemical — Also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health.
- phytocoenosis — the plants of a given area considered as a whole.
- phytoestrogen — an estrogen-like compound occurring naturally in plants of the legume family and in grains, vegetables, and fruits.
- phytonutrient — phytochemical.
- phytopathogen — an organism that causes disease in plants
- phytoplankter — a minute organism which constitutes part of phytoplankton
- phytoplankton — the aggregate of plants and plantlike organisms in plankton.
- phytosanitary — of or relating to the health of plants
- phytotoxicity — the state of being phytotoxic
- plain yoghurt — natural yoghurt, without added flavouring
- play hob with — to make trouble for; interfere with and make disordered
- play the fool — behave in a silly way
- plethysmogram — the recording of a plethysmograph.
- plymouth rock — a rock at Plymouth, Massachusetts, on which the Pilgrims who sailed on the Mayflower are said to have stepped ashore when they landed in America in 1620.
- pointy-headed — stupid; idiotic.
- polyarthritis — arthritis occurring in more than one joint.
- polychotomous — divided into multiple parts
- polychromatic — having or exhibiting a variety of colors.
- polycythaemia — an abnormal condition of the blood characterized by an increase in the number of red blood cells. It can occur as a primary disease of unknown cause (polycythaemia vera or erythraemia) or in association with respiratory or circulatory diseases
- polysynthetic — (of a language) characterized by a prevalence of relatively long words containing a large number of affixes to express syntactic relationships and meanings. Many American Indian languages are polysynthetic. Compare analytic (def 3), synthetic (def 3).
- polytechnical — relating to a technical school
- polythalamous — having multiple chambers
- polythene bag — a bag made of polythene, esp one used to store or protect food or household articles
- primary tooth — one of the temporary teeth of a mammal that are replaced by the permanent teeth.
- prohibitively — serving or tending to prohibit or forbid something.
- prophetically — of or relating to a prophet: prophetic inspiration.
- psychoanalyst — a person trained to practice psychoanalysis.