more than is an adjective meaning "(comparative of `much' used with mass nouns) a quantifier meaning greater in size or amount or extent or degree". It carries one recorded sense.
(comparative of `much' used with mass nouns) a quantifier meaning greater in size or amount or extent or degree
“more land”
“more support”
“more rain fell”
“more than a gallon”
comparative
Definitions, synonyms and semantic relations for more than come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.