Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
Having a valency of two.
- ‘Experiments with erythrocytes were repeated with either sodium sulfate or sodium nitrate replacing the divalent ion at the same concentration.’
- ‘On different days, the standard protocol was repeated with the diluent containing different divalent ion concentrations.’
- ‘In an alternative model, two pairs of the negatively charged residues would chelate two divalent cations.’
- ‘Our observations support the claim that monovalent or divalent cations are not necessary to polymerize G-actin into F-actin.’
- ‘However, EDTA is not ideal because it also binds essential divalent cations such as calcium and zinc.’
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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.