uncountable noun - definition and synonyms

noun [countable] linguistics 

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/ʌnˌkaʊntəb(ə)l ˈnaʊn/
singularuncountable noun
pluraluncountable nouns
  1. a noun that has no plural form. Uncountable nouns usually refer to abstract things such as ‘advice’, ‘luck’, and ‘information’, or to substances such as ‘milk’, ‘blood’, and ‘smoke’.