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A culture in which only one strain or clone is present.
- ‘He showed that bacilli could be isolated in pure cultures and produce tuberculosis in animals that were inoculated.’
- ‘Here, Koch perfected the technique of growing pure cultures of germs using a mix of potatoes and gelatine.’
- ‘Two-milliliter inoculates for the chemostats were prepared by mixing pure cultures in the appropriate proportions as determined by Klett readings.’
- ‘In 1885, Duclaux and Arloing demonstrated that sunlight had a direct killing effect on pure cultures of Tyrothrix scaber and Bacillus anthracis, respectively.’
- ‘It also may reflect that it is more difficult to grow anaerobes and to isolate them in pure cultures.’
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.