Words Starting With "P"

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Pensive

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Pensive refers to a state of being thoughtful and deeply contemplative, often accompanied by a sense of sadness, disappointment, or regret. A pensive person is someone who is lost in thought, often staring off into space, and may be feeling a mix of emotions including introspection, melancholy, and possibly even a hint of turmoil or turmoil. The word often carries a connotation of someone being introspective, often haunted by memories or events, and may be seen as quiet, reserved, or even a bit somber.

Pensived

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Thoughtful and reflective; taking one's time to think carefully and consider all possibilities before making a decision or forming an opinion.

Pensively

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In a thoughtful and contemplative manner, often with a sense of being lost in thought or ruminating on one's thoughts and feelings.

Pensiveness

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Pensiveness refers to a tendency to think carefully and contemplate about something, often deeply and intently, and to reflect on one's own thoughts and emotions. It involves a sense of quiet reflection, often characterized by a thoughtful and contemplative demeanor.

Penstemon

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Penstemon is a type of flowering perennial plant native to the Americas. It is also known as beardtongue, due to the hairy foliage at the base of its flowers. Penstemon is commonly cultivated in gardens for its showy, tubular flowers that come in a range of colors including pink, purple, white, and yellow. The plant is often used in wildlife gardens, as its flowers are a favorite of hummingbirds and other pollinators.

Penstock

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A penstock is a pipe or conduit that carries water or other fluids from a source, such as a dam or a storage tank, to another location, often for use in generating electricity (e.g., at a hydroelectric power plant) or watering purposes.

Pent-up

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Pent-up refers to a feeling or emotion that has been suppressed or repressed, often for a long time, and is now being released or expressed in a sudden or uncontrolled manner. It can also describe a sense of energy, excitement, or tension that has been building up and is now released or expressed. For example, "The pent-up anger finally boiled over and she shouted at the person who had been annoying her all day."

Pentaceratops

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Pentaceratops is a genus of ceratopsid dinosaurs that lived during the Late Cretaceous period, around 68 to 65 million years ago. The name "Pentaceratops" means "five-horned face" in Greek, due to the distinct set of horns on its skull. This herbivore was characterized by its distinctive horn structure, with a short frill on the back of its skull and a distinctive pair of horns on the forehead. It was a relatively large animal, around 10 meters long and weighing several tons.

Pentachenium

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Pentachenium is a rare or obsolete word that refers to a type of chemical compound consisting of five atoms of the same nonmetal element. For example, pentachloroanthracene is a pentachenium, which is a type of polychlorinated aromatic hydrocarbon.

Pentachord

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A pentachord is a musical concept that refers to a chord consisting of five notes. It is a extended chord that adds an extra note to a basic triad (three-note chord). In music theory, a pentachord is a specific group of five musical notes that are used together to create a harmonious or pleasing sound.

Pentacle

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A pentacle is a five-pointed star or a symbol that represents the five elements of nature: earth, air, fire, water, and spirit. It is often used in magical and spiritual practices, particularly in Wicca and other forms of witchcraft, as a tool for focusing intention and energy. It can also be used as a symbol of protection, balance, and harmony.

Pentacles

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Pentacles are a suit of cards in a tarot deck, often representing money, material possessions, and physical health. They can also refer to the five-pointed star symbol, which has been used in various contexts such as mysticism, alchemy, and pseudoscience to denote spiritual, mystical, or esoteric concepts.

Pentacrinoid

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Pentacrinoid refers to a type of ancient, extinct brittle star (oceanic echinoderm) with five radiating arms, typically found in ancient seas and fossils.

Pentacron

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Pentacron is a noun that refers to a stanza or verse of five lines, usually with a specific rhyme scheme and meter. The term originates from ancient Greek poetry, where the pentacron was a type of elegiac couplet consisting of five iambic trimeters, each with a specific rhyme scheme. In modern poetry, the pentacron is sometimes used as a structural unit to add variety and rhythm to a poem.

Pentad

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A pentad is a group of five related items or five verses in a poem or song that are considered a unit or a section. It is also used in various fields such as music, literature, and even linguistics to refer to a sequence of five elements that work together to convey a meaning or create a particular effect.

Pentadactyl

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Pentadactyl refers to having five fingers on a hand, which is characteristic of primates, including humans. It is a term often used in anatomy and biology to describe the normal condition of human hands, as opposed to polydactylism, which is a congenital deformity characterized by extra fingers.

Pentadactyly

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Pentadactyly refers to the condition where a person or animal has five fingers on each hand, which is the typical number of fingers found in humans. It is a normal and common characteristic, as opposed to polydactyly, which is the presence of extra fingers or toes.

Pentadecagon

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A pentadecagon is a geometric shape with 15 sides.

Pentadecane

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Pentadecane is a clear, colorless, and odorless hydrocarbon compound with the chemical formula C15H31. It is a saturated fatty acid that is commonly found in natural waxes, such as beeswax and candle wax.

Pentadecanoic

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Pentadecanoic is a type of organic compound that belongs to the class of fatty acids. Specifically, it is a 15-carbon chain fatty acid with the chemical formula C15H30O2. It is found naturally in some animal fats and has been reported to have various biological activities, including anti-inflammatory and antimicrobial effects. Pentadecanoic acid is sometimes used as a food additive and has been considered as a potential therapeutic agent.

Pentadecatoic

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Pentadecatoic is an adjective that refers to a type of acid having 15 carbon atoms in its molecular structure. It can also be used as a prefix to describe a chemical compound that contains 15 carbon atoms.

Pentadelphous

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Pentadelphous refers to something that has five sisters. In botany, it specifically describes a type of plant that grows among its five leaflets or branches, which resemble sisters.

Pentadienyl

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Pentadienyl refers to a chemical compound that contains a five-carbon polyene chain with alternating double bonds. In chemistry, the term is often used to describe certain types of organic compounds, such as cyclopentadienyl, which is a ligand used in organometallic chemistry. The name "pentadienyl" comes from the Greek words "pente" meaning five and "diene" meaning double bond.

Pentaerythritol

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Pentaerythritol is a type of chemical compound with the chemical formula C5H12O4. It is a white, crystalline solid that is commonly used as a raw material in the production of various products such as coatings, adhesives, and plastics. It is also used as a stabilizer and anti-foaming agent in the manufacturing of detergents and cosmetics.

Pentafluoroethane

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Pentafluoroethane is a colourless gas that is used as a propellant in aerosol dispensers, foam products, and refrigerant. It is a halogenated hydrocarbon, and its molecular formula is CF3CH3. Pentafluoroethane is also known as HFC-125, and it is a greenhouse gas with a global warming potential approximately 2,000 times higher than that of carbon dioxide.

Pentagon

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A pentagon is a polygon with five sides. It is a five-sided shape that is often used in architecture, engineering, and design.

Pentagonal

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Pentagonal refers to something that has five sides or angles. For example, a pentagonal shape is a polygon with five sides, similar to a pentagon, a five-sided geometric shape. In mathematics and geometry, pentagonal refers to any shape or figure with five sides, such as a pentagonal prism or a pentagonal star.

Pentagonoid

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Pentagonoid refers to something that is resembling or similar to a pentagon, which is a five-sided polygon. In general, pentagonoid shapes have five sides, but the angles or dimensions may be slightly different from a traditional pentagon. The term can be used to describe a wide range of structures, from geometric shapes to organisms and even buildings.

Pentagonous

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The adjective "pentagonous" refers to something that has a five-sided shape or structure.

Pentagons

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Pentagons are five-sided geometrical shapes with five points and five edges. They are a type of polygon and have several unique properties, such as the fact that all of their internal angles add up to 540 degrees. Pentagons are also used in various mathematical and architectural contexts, including in the design of buildings, bridges, and other structures. Additionally, Pentagon is also a term used to refer to the headquarters of the United States Department of Defense, located in Washington D.C.

Pentagram

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A pentagram is a five-pointed star-shaped figure, often used as a symbol in various cultures and belief systems, typically representing protection, balance, harmony, and the five elements or senses. It can also have negative connotations, such as being associated with Satanism or occult practices. In a broader sense, the term pentagram can refer to any five-part structure or pattern, not just the geometric figure.

Pentagrammic

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Pentagrammic refers to a pattern or shape that is formed by five lines or angles, typically used in geometry, art, and design. It is derived from the Greek words "pente," meaning five, and "gramma," meaning line or letter. In mathematics, a pentagram is a five-pointed star shape that can be constructed by drawing five lines that connect with each other in a specific way. The term is often used to describe designs, symbols, or motifs that feature five points or lines, and is often associated with mysticism, spirituality, and cultural symbolism.

Pentagyna

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Pentagyna is a genus of plants within the family Crotonaceae, commonly known as passionflowers. The name derives from the Greek pente, meaning "five", and gymnos, meaning "naked". This likely refers to the five stamens found in the flowers of these plants.

Pentagynia

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Pentagynia is a rare term in botany that refers to a specific type of flower arrangement, where five stigmas are clustered together in a single flower.

Pentagynous

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Pentagynous: (adjective) Having five (five-lobed) stigma, a characteristic of certain plants, particularly those in the family Euphorbiaceae.

Pentahedral

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Describing a shape with five sides or faces, typically referring to a geometric figure with five flat faces, each of which is an equilateral triangle.