Focus on the pronunciation of countable noun
English definition of “countable noun”
/ˈkɑʊn·tə·bəl ˌnɑʊn/ n [C]
› grammar a noun that has both a singular and a plural form and names something that can be counted because there can be one or more of it: "Book" and "decision" are both countable nouns. Note: Countable nouns are marked [C] in this dictionary.