[mass noun] A synthetic polymer of a type made by the linkage of an amino group of one molecule and a carboxylic acid group of another, including many synthetic fibres such as nylon.
- ‘Examples of polymers produced in this way include polyesters, polyamides, polyurethanes, polyethers, and polysulfones.’
- ‘Nylon 66 is a polyamide based on hexamethylene diamine and adipic acid.’
- ‘One polymer that is widely used for extruded balloon catheters is polyamide (nylon).’
- ‘Generically known as a group of polyamides, nylon is chemically distinguished by its amide linkages to two aromatic rings.’
- ‘This molecular weight is relatively low and not far from the critical molecular weight of polyamides, which is generally near 15,000 g/mole.’
We take a look at several popular, though confusing, punctuation marks.