13-letter words containing o, p, y
- palaeoecology — the study of fossil animals and plants in order to deduce their ecology and the environmental conditions in which they lived
- palaeontology — Palaeontology is the study of fossils as a guide to the history of life on Earth.
- palaeozoology — the study of fossil animals
- paleethnology — (formerly) the branch of ethnology concerned with the earliest or most primitive human societies.
- paleopedology — the branch of pedology dealing with the soils of past geologic ages.
- pancreatotomy — incision of the pancreas.
- parabolically — of, relating to, or involving a parable.
- paradoxically — having the nature of a paradox; self-contradictory.
- paramyxovirus — any of various RNA-containing viruses that are similar to but larger than the myxoviruses, including the viruses that cause mumps, measles, parainfluenza, and Newcastle disease.
- paranormality — the state of being paranormal
- parapophysial — of or relating to a parapophysis
- parapsychosis — an abnormal psychosis
- parasymbiosis — the symbiotic relationship that occurs between certain species of fungi and lichens (which are themselves symbiotic associations between a fungus and an alga)
- parasyntheton — a word formed by parasynthesis; for example, kind-hearted
- parthenocarpy — the production of fruit without fertilization of an egg in the ovary.
- participatory — to take or have a part or share, as with others; partake; share (usually followed by in): to participate in profits; to participate in a play.
- partly cloudy — sky: not constantly clear
- party-colored — having different colors in different areas or patches; variegated: a parti-colored dress.
- passamaquoddy — a member of a small tribe of North American Indians formerly of coastal Maine and New Brunswick and now living in Maine.
- pathogenicity — the disease-producing capacity of a pathogen.
- patrifocality — the system or fact of being patrifocal
- patriot's day — the third Monday in April, a legal holiday in Me. and Mass. commemorating the battles of Lexington and Concord (April 19, 1775)
- patriotically — of, like, suitable for, or characteristic of a patriot.
- patriots' day — the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine.
- patronizingly — displaying or indicative of an offensively condescending manner: a patronizing greeting, accompanied by a gentle pat on the pack.
- pay a pension — If a company or government pays a pension to someone, it provides them with money because they have reached a certain age.
- pay as you go — the act of paying or being paid; payment.
- pay attention — be attentive
- pay one's way — to settle (a debt, obligation, etc.), as by transferring money or goods, or by doing something: Please pay your bill.
- pay-as-you-go — the principle or practice of paying for goods and services at the time of purchase, rather than relying on credit.
- pedagogically — of or relating to a pedagogue or pedagogy.
- penalty point — an endorsement on a driving licence due to a motoring offence
- pencil crayon — coloured pencil
- penobscot bay — an inlet of the Atlantic in S Maine. 30 miles (48 km) long.
- pensacola bay — an inlet of the Gulf of Mexico, in NW Florida. About 30 miles (48 km) long.
- peptidoglycan — a polymer, consisting of polysaccharide and peptide chains, responsible for the structure of the cell wall of bacteria
- peregrinatory — tending to peregrinate; relating to or characteristic of a traveller
- perfunctorily — performed merely as a routine duty; hasty and superficial: perfunctory courtesy.
- periodontally — with respect to periodontal tissue
- perissodactyl — having an uneven number of toes or digits on each foot.
- petrocurrency — money, paid in dollars, earned by a country for the exporting of petroleum
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- petty officer — navy: non-commissioned officer
- phantasmagory — phantasmagoria.
- pharmacognosy — materia medica (def 2).
- pharyngectomy — excision of part or all of the pharynx.
- pharyngoscope — an instrument for inspecting the pharynx.
- pharyngoscopy — an examination by means of a pharyngoscope.
- phenomenality — highly extraordinary or prodigious; exceptional: phenomenal speed.
- phenomenology — the study of phenomena.