instant coffee is a noun meaning "dehydrated coffee that can be made into a drink by adding hot water". It carries one recorded sense.
dehydrated coffee that can be made into a drink by adding hot water
“the advantages of instant coffee are speed of preparation and long shelf life”
Definitions, synonyms and semantic relations for instant coffee come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.