Yes, dinner is a countable noun with the plural "dinners" (e.g. various dinners were added to the menu).
However, when used as a term for a "process" (making dinner, eating dinner), you would not use the plural (e.g. dinner is not served until 7 PM).
The noun 'plate' is a countable noun, the plural form is plates.Example: You'll need four plates for the table, my parents are coming for dinner.
The noun 'hill' is a countable noun. The plural form is 'hills'.
countable
Prawn - prawns is the plural - is a countable noun
Countable
The noun 'plate' is a countable noun, the plural form is plates.Example: You'll need four plates for the table, my parents are coming for dinner.
countable
countable
The noun 'hill' is a countable noun. The plural form is 'hills'.
cookies are countable unless you have brain problems
countable
Shark is a countable noun.
Duck as an animal is countable, but if you mean the meat it is uncountable.
Prawn - prawns is the plural - is a countable noun
Countable
countable
few is countable