(organic chemistry) a polymer, such as an elastomer, in which carbon atoms of the repeating units are joined by a single oxygen atom

plural of polyether

The presence of different work activities among different members of an insect community, or at different times in an insect's life

(biochemistry) Any of several naturally occurring organic compounds having a series of oxygen-containing heterocyclic rings arranged in the form of a ladder; most are poisonous

plural of ladder polyether

Alternative form of polyetheretherketone

An amorphous, amber, transparent, high-performance thermoplastic

plural of polyetherimide

plural of polyethersulfone

(chemistry) Any of a family of thermoplastic polymers that are known for their toughness and stability at high temperatures. They contain the subunit aryl-SO₂-aryl, the defining feature of which is the sulfone group.