farm?land /'f??mlænd, -l?nd $ 'f??rmlænd/ noun [uncountable] land used for https://www.ldoceonline.com/dictionary/farm? see thesaurus at https://www.ldoceonline.com/dictionary/land#land__10
Could you please explain why the noun "farmland" is uncountable?
Because "land", in the relevant sense, is uncountable.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.