"Polygalacturonase" Natural Recordings by Native Speakers
Polygalacturonase is an enzyme that breaks down the macromolecule hay cell wall pectin, which gives cell walls their strength. It is a type of pectolytic enzyme that cleaves and degrades the α-(1->4) linkages between the galacturonic acid residues in pectin.
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.
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, 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 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.
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.
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.
Practicing or involving the custom of having one husband or wife with multiple spouses, especially in a polygynous relationship.
A person who practices polygamy, which is the practice of having multiple spouses at the same time, often referring to men with multiple wives.Example: He is a polygamist with three wives.