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A substance which has a molecular structure built up chiefly or completely from a large number of similar units bonded together, e.g. many synthetic organic materials used as plastics and resins.
- ‘Gels in the laboratory such as silica gel and some polymers have been studied and exploited for years.’
- ‘The ability of living organisms to define the molecular composition of a polymer with complete accuracy is an enviable one.’
- ‘High molecular weight polymers can have viscosity values in the millions of centipoise range.’
- ‘Nucleic acids are also polymers, composed of repeating units called nucleotides.’
- ‘This is usually dextrose, but amino acids and glucose polymers can also be used.’
Mid 19th century: from German, from Greek polumeros having many parts, from polu- many + meros a share.
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.