Words Starting With "P"
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Pterygota
The term "Pterygota" refers to a suborder within the class Insecta, which primarily consists of winged insects. This group includes numerous orders of insects, such as beetles (Coleoptera), flies (Diptera), bees and butterflies (Lepidoptera), and many others apart from dragonflies (Odonata) and scale insects (Thysanoptera). The term "Pterygota" is derived from Greek words "pteron," meaning wing, and "gutta," meaning to have, which literally translates to "with wings." This suborder is distinguished by the presence of wings, which are either hard or modified cuticle in origin, and are involved in the transport or dispersal of animals, including insects.
Pterygote
A zoological term.<br><br>Pterygote refers to any insect with a wide range of winged insects, including beetles, flies, and butterflies, that have wings that sprout from their shoulders, as opposed to the wingless or pterygota with the wings included in the body, like cockroaches.
Pterygotous
Pterygotous refers to something that is provided with or characterized by fins or appendages resembling fins, typically in a plant or in some invertebrate animals.
Pterygotus
Pterygotus is an extinct genus of ancient sea scorpions that existed during the Silurian Period, in what is now North America and Europe. The name comes from the Greek words "pteryx", meaning wing, and "gotus", meaning skin, referring to the wing-like fins on its head, known as cephalic lobes.
Pteryla
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Pterylae
A rare or obsolete word!<br><br>Pterylae (plural) refers to the alulae, a small, ornamental wing stabilizer found at the base of the wing of certain insects, such as beetles and flies.
Pterylography
Pterylography is the study and/or description of the character, distribution, or structure of feathers, especially of fossilized birds.
Pterylosis
Pterylosis refers to excessive skin flaking or scaling, typically on the eyelids, due to an abnormal thickening of the skin. It typically occurs in the apocrine gland areas, such as the armpits, groin, and eyelids.
Ptilocercus
Ptiloceurus is a genus of extinct genus of small theropod dinosaur that lived during the Middle Triassic of South Africa.
Ptilodontoidea
Ptilodontoidea is an extinct suborder of small mammals that lived during the Cenozoic era. The name comes from the Greek words "ptilo-" meaning feathered and "odonto-" meaning tooth, in reference to the distinctive teeth of these animals.<br><br>Ptilodontids were rodent-like mammals with small bodies, typically weighing around 100-500 grams and measuring about 15-40 cm in length. They were herbivores and had specialized teeth with complex structures that allowed them to eat tough plant material.<br><br>These animals had a wide geographic range, with fossils found in North America, Europe, Asia, and South America. They are thought to have evolved from a common ancestor with modern rodents around 60-80 million years ago, and were among the first mammals to colonize the post-dinosaur world.<br><br>Ptilodontoidea is an important group of mammals for scientists to study because they provide valuable insights into the early evolution of rodents and the radiation of mammalian lineages.
Ptilonorhynchidae
The Ptilonorhynchidae is a family of birds commonly known as bowerbirds. They are found in the rainforests of Australia and New Guinea, and are known for their unique courtship rituals and remarkable bird displays.
Ptilonorhynchus
A type of bird species, specifically a type of tinamou, a group of flightless or near-flightless birds native to Central and South America, commonly known as "Inchmotmot" in some parts of the world.
Ptilopaedes
Ptilopaedes are an extinct genus of plesiosaurs, a group of marine reptiles that lived during the Jurassic period.
Ptilopaedic
Relating to the ptilinum, the small club-shaped bar or stiffning at the base of the radicle (embryonic root) of a plant, both in seedlings and in adults.
Ptilopteri
Ptilopteri is a term used in biology to describe a specific group of extinct insectivorous theropod dinosaurs during the Jurassic period.
Ptisan
A ptisan or munjew (Persian: ]<br><br>Ptisan (plural ptisans) is the term for coffee in Persian (Farsi). A skinny shot of espresso, often served without sugar of milk. The drink is often used as an appetite-stimulant in Iran and Afghanistan.
Ptochocracy
A form of government in which those who are born into a position of poverty or low social class have a higher percentage of the power and control, often contrasted with a plutocracy or aristocracy.
Ptolemaic
Referring to the Ptolemaic period or associated with the Ptolemaic dynasty, a Greek dynasty that ruled Egypt after the conquest by Alexander the Great. The term can also refer to the astronomical model developed by Claudius Ptolemy, a Greek mathematician and astronomer who described a geocentric model of the universe, with Earth at its center.
Ptolemais
Ptolemais is a name that appears in Greek history and geography. <br><br>In ancient times, Ptolemais was a city in Ptolemaic Egypt, established by the Ptolemaic Kingdom in the 3rd century BC. <br><br>It is derived from the name of Ptolemy I Soter, one of Alexander the Great's generals who became the ruler of Egypt after Alexander's death. <br><br>The name Ptolemais can be broken down into two components: "Ptolema-" comes from Ptolemy, and "-is" is a suffix used to form feminine place names in ancient Greek.
Ptolemaist
The term "Ptolemaist" refers to something related to or characterized by Ptolemy, particularly in an astronomical or geographical sense. <br><br>In ancient Greek, "Ptolemaios" was the name of several men, most notably the astronomer and geographer Claudius Ptolemy. He lived in the 2nd century AD and is best known for writing "Almagest," a highly influential astronomical treatise in which he proposed a geocentric model of the universe, placing Earth at its center, with the Sun, Moon, planets, and stars orbiting it.<br><br>As an adjective, "Ptolemaist" can describe an approach, system, or idea that is Ptolemaian in its perspective, such as:<br><br>1. <strong>Geocentric Model</strong>: Ptolemaist represents a belief in the Earth-centered model of the universe, an older concept that contrasts with the heliocentric model, which places the Sun at the center.<br>2. <strong>Medieval Astronomy</strong>: The term can also imply a connection to the state of astronomical knowledge and astronomical understanding during the Middle Ages, influenced by the works of Ptolemy.<br>3. <strong>Classical Perspective</strong>: In a broader sense, Ptolemaist can denote adherence to traditional, classic understandings or perspectives, of which Ptolemy's work stands as a seminal example.<br><br>Therefore, when using the term "Ptolemaist," one is often referencing a particular view or approach that is associated with ancient Egyptian or Greek perspectives, especially in astronomy, geography, or mathematics.
Ptolemic
Relating to the ancient Greek astronomer Ptolemy, who lived in the 2nd century AD and developed the geocentric model of the universe. The term "ptolemic" often implies an outdated or outdated view of the world.
Ptolemies
The Ptolemies or Ptolemaic dynasty were a Macedonian Greek royal house which ruled ancient Egypt after the death of Alexander the Great.
Ptolemy
Ptolemy refers to Claudius Ptolemy, a Greek mathematician, geographer, and astronomer who lived in the 2nd century AD. He is best known for his astronomical models, particularly the Ptolemaic system, which describes the universe as geocentric, with the Earth at its center, surrounded by the Sun, Moon, planets, and stars in a series of concentric crystal spheres.
Ptosis
Ptosis refers to the drooping or sagging of an organ or part of the body, typically the eyelid. In medicine, it can be a congenital condition or acquired through injury, surgery, or disease, such as Horner's syndrome.
Ptotic
(paraprotic or notation) <br><br>involving or resembling a perpendicular shotgun shell charge.
Ptuj
Ptuj is a town in eastern Slovenia. It is the seat of the Municipality of Ptuj, and it is the oldest Slovenian town, with a history dating back to pre-roman times. It is situated at the confluence of the Drava River and Ptujska River near Maribor. The town gives its name to Ptuj (Ptuj District) and Dražgozd (White Carpathian) hills.
Ptyalagogue
A ptyalagogue is a substance or agent that promotes the flow of saliva in the mouth. It can stimulate the salivary glands to produce more saliva, often used to aid in digestion and swallowing, particularly in people with dry mouth or other oral health issues.
Ptyalectasis
Ptyalectasis is a term from physiology that refers to the act of shortening or reduction of the air passage. In more detailed terms, it refers to a temporary narrowing or constriction of the airways in the lungs, which can be caused by some cases of asthma.<br><br>In this condition, the airways or bronchioles become constricted or tightened, making breathing more difficult. This narrowing of the airway lumen can be due to various factors such as irritant exposure, allergic responses, or other conditions.
Ptyalin
Ptyalin is the enzyme that breaks down starches into simple sugars, primarily maltose. It is found in saliva and also produced by the tongue. It has a significant role in the initial digestion of carbohydrates in the mouth before food enters the stomach and small intestine.