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[mass noun] A white crystalline salt used chiefly in dry cells, as a mordant, and as soldering flux.Also called sal ammoniac
- ‘All specimens are latex molds whitened with ammonium chloride.’
- ‘These salts, along with other inorganic salts (calcium chloride, potassium chloride), dissociate in solution; thus, the filtrate may contain ammonium sulfate, sodium chloride, ammonium chloride, or sodium sulfate.’
- ‘It is manufactured by heating methanal with ammonium chloride.’
- ‘Leclanche's battery was known as a ‘wet cell’ because both the anode and cathode were submerged into a liquid solution of ammonium chloride (which acted as the electrolyte).’
- ‘Enteric coated tablets containing alkaline matter such as ammonium chloride, lithium carbonate or sodium-salicylate might lose the stability when storing at higher temperature, it has been sometimes experienced.’
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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.