"Polyesters" Pronounce,Meaning And Examples
"Polyesters" Natural Recordings by Native Speakers
"Polyesters" Meaning
Polyesters are a class of polymers that contain ester linkages between the monomer units. They are formed by the reaction of carboxylic acids with alcohols. Polyesters are commonly used in textiles, plastics, films, and advanced materials such as composites and nanomaterials. They are known for their high strength, water resistance, and durability.
"Polyesters" Examples
Usage Examples of the Word "Polyesters"
Adjective Usage
The new polyester jacket is very durable and resistant to wrinkles.
She prefers to wear polyester suits for formal events due to their ease of maintenance.
The car interior is upholstered with a soft, stain-resistant polyester fabric.
Noun Usage
Polyester is a common plastic used in the manufacturing of carpets and rugs.
The designer chose to use polyesters to create the vibrant colors in the artwork.
Polyesters are widely used in the production of clothing, including jackets, pants, and dresses.
Idiomatic Expression
The polyester suit makes him look like a pseudo-sophisticate.
The new fashion trend emphasizes a polyester-free wardrobe to reduce environmental impact.
"Polyesters" Similar Words
Polydispersity
Polydispersity refers to the characteristic of a mixture or a solution that contains particles or molecules of different sizes or masses, which cannot be defined by a single particle or molecular diameter. In other words, a polydisperse system consists of particles or molecules of varying dimensions, resulting in a distribution of sizes rather than a single, uniform size.In various fields, including materials science, chemistry, and biology, polydispersity is an important parameter for understanding the properties and behavior of a material or system. For instance, in polymers, polydispersity index (PDI) is used to describe the distribution of molecular weights, which affects the material's properties such as viscosity, melting point, and strength.The term "polydispersity" is often used interchangeably with "polydispersity index" (PDI), although technically, PDI is a specific measure of the polydispersity of a polymer, whereas polydispersity is a more general term referring to any system with a distribution of sizes.
Polyeidism
Polyeidism refers to the act of having many forms or bodies which possess the ability to transform into other ones. It is a term used in literature, science fiction, and fantasy to describe a character or being with multiple possible physical forms or manifestations. The term originates from the Greek prefix "poly," meaning "many," and the word "eid," which means "form" or "shape."
Polyelectrolytes
Polyelectrolytes are large molecules that have ionic properties due to the presence of ionizable groups along their backbone. These molecules can be either positively charged (cations) or negatively charged (anions) and are typically formed by the polymerization of monomers that contain ionizable groups.The ionizable groups within polyelectrolytes can be either weak acids or weak bases, allowing the molecule to carry a net positive or negative charge. This characteristic makes polyelectrolytes responsive to changes in their environment, such as changes in pH, ionic strength, or temperature.Polyelectrolytes have a wide range of applications in various fields, including:1. <strong>Personal care products</strong>: Polyelectrolytes are used in cosmetics and personal care products, such as shampoo, conditioner, and toothpaste, due to their ability to stabilize emulsions, thicken solutions, and provide moisture to the skin and hair.2. <strong>Pharmaceuticals</strong>: Polyelectrolytes are used as excipients in drug formulations, improving the delivery of active pharmaceutical ingredients, enhancing drug stability, and facilitating controlled release.3. <strong>Water treatment</strong>: Polyelectrolytes can be used to remove heavy metals, dissolved solids, and other impurities from water by flocculation and coagulation.4. <strong>Biological systems</strong>: Polyelectrolytes can mimic natural polyelectrolytes found in biological systems, such as DNA, proteins, and lipopolysaccharides, which play crucial roles in various biological processes, including gene expression, cell signaling, and membrane structure.5. <strong>Materials science</strong>: Polyelectrolytes can be used to create thin films, surfaces, and nanomaterials with unique properties, such as pH-responsive behavior, self-healing characteristics, and electrical conductivity.The study of polyelectrolytes has led to a deeper understanding of their behavior, structure, and function, enabling the development of innovative technologies and applications in various fields.
Polyembryony
Polyembryony is a biological phenomenon in which an embryo splits into two or more embryos during its early stages of development, resulting in two or more genetically identical offspring from a single fertilized egg. This rare reproductive strategy is observed in certain species of animals, including some mammals, birds, and insects.In such cases, the resulting polyembryos may develop as identical twins or may undergo further development to produce clones or quadruplets, and so on. Polyembryony is often triggered by factors such as genetic mutations or environmental stress, and it can offer an evolutionary advantage by allowing individuals to produce multiple offspring from a single investment in fertilization.
Polyendocrinopathy
Polyendocrinopathy refers to a medical condition where there is inflammation or damage to multiple endocrine glands, leading to disturbances in hormone production. It can result from various causes, including autoimmune disorders, infections, or malignancies, and can affect thyroid function among other endocrine systems. Examples include polyglandular autoimmune syndrome type 1 (PGAD1) and type 2 (PGAD2), which are autoimmune disorders that primarily affect the thyroid and adrenal glands respectively, but can extend to other endocrine glands, resulting in many symptoms including muscle weakness, fatigue, changes in skin color, and others.
Polyepoxide
Polyepoxide is a type of resin-based synthetic material that resulting from the reaction of a polyol with an epoxy reagent. It is a thermosetting plastic that exhibits high mechanical properties, thermal stability, and resistance to chemicals, impact, and abrasion. Polyepoxides are widely used in various industrial applications such as aerospace, automotive, and construction due to their durable and versatile characteristics. They are often used in highly demanding situations where strength, resistance, and stability are critical, such as in rocket and satellite components, windshield of aircraft, and in the manufacture of high-performance sporting goods.
Polyester
Polyester is a type of synthetic fabric made from petrochemicals, known for its durability, wrinkle resistance, and ease of care. It is often blended with other fibers, such as cotton or wool, to improve its properties. Polyester is commonly used in clothing, upholstery, and carpets due to its versatility and affordability.
Polyestrous
The term "polyestrous" refers to a type of reproductive cycle in female mammals that have multiple estrous cycles (heat cycles) per year, as opposed to being "estrous", having only one cycle per year, or "monestrous", having only one cycle in their entire lifetime.In more detail, polyestrous females can exhibit multiple periods of heat or estrus, during which they are receptive to mating and can become pregnant. This is in contrast to other animals that are monestrous, where their reproductive cycle occurs only once per year.Examples of polyestrous females include cats (they can have 2-4 estrous cycles per year), ferrets (they can have up to 6 cycles), and indirect evidence suggests some species of small (e.g. certain primates), or domesticated (e.g. dogs) can have more per year.
Polyethylene
Polyethylene is a type of plastic that is widely used in many applications due to its durability, flexibility, and resistance to chemicals. It is a synthetic polymer made from the monomer ethylene, and its name reflects this. 'Poly' is a prefix meaning "many" or "multiple," and 'ethene' is the chemical name for ethylene. 'Ethylene' comes from the word "ethane," an alkane hydrocarbon, which has the general formula C2H6.
Polyeuctus
Polemon of Laodicea, also known as Polyeuctus or Polyuctus, was a Christian martyr from the 3rd century AD. His feast day is January 9. He was the son of a high-ranking legionary officer.
Polyfidelity
Polyfidelity, in some relationships and social groups, refers to the practice of avoiding or rejecting outside romantic and/or sexual relationships with people outside of one's partnership(s) or family, while embracing the idea of focusing on the core relationships within.In other words, being polyfidelitous means maintaining a commitment towards a closed, non-monogamous relationship structure, where a person or a couple (if being part of a dyad) is exclusively devoted to a few chosen partners and does not accept relationship or intimacy with outsiders.This concept contrasts with non-monogamy, where a person engages in multiple, external relationships outside of their core, committed partnership(s).
Polyfluoroethylene
Polyfluoroethylene is a type of synthetic polymer which is a co-polymer of ethylene and vinyl fluoride (a 1:1 ratio). The monomer units have a fluorine atom attached to a carbon atom of a polyethylene backbone.
Polyform
A polyform is a geometric shape that can be divided into identical or similar sub-shapes or forms in such a way that the same division can be applied to each sub-shape.
Polyfunctional
Having or performing multiple functions or roles.Example: "A polyfunctional worker who handles multiple tasks and responsibilities."Synonyms: multifunctional, versatile, versatile, multifaceted.Antonyms: monofunctional, single-function.
Polygala
Polygala is a genus of flowering plants in the family Polygalaceae, commonly known as the milkwort family. It contains around 500 species, many of which are found in tropical and subtropical regions.The word "polygala" comes from the Greek word "polygalo", meaning "many milk". This refers to the way the plant's flowers, which resemble small cups, secrete a milky sap.Polygala plants are known for their showy flowers, which are often pink, purple, or white in color. They are also known for their round or oval-shaped fruits, which contain tiny seeds.Some species of Polygala are used in traditional medicine, while others are cultivated as ornamentals in gardens.