saltpetrenoun [ U ]
UK US saltpeter uk/ˌsɒltˈpiː.tər/us/ˈsɑːltˌpiː.t̬ɚ/a salty-tasting white powder used to preserve meat, and also used in producing explosives and fertilizers (= substances that help plants grow)
Thesaurus: synonyms and related words
Improving fertility & pest control
- agrochemical
- ammonium sulphate
- bonemeal
- compost
- crop spraying
- DDT
- feed
- fertilize
- herbicide
- improver
- insecticide
- leaf mould
- lime
- manure
- pesticide
- potash
- reclamation
- rotate
- sheep dip
- slug pellet
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Preserving & storing food