The noun lettuce is an uncountable noun as a word for a food substance.
Units of lettuce are expressed by using a partitive noun(also called a noun counter) is a noun to count or quantify an uncountable noun; for example, heads of lettuce or leaves of lettuce.
The plural noun 'lettuces' is a word for 'type of' or 'kinds of' lettuce; for example, "The lettuces we grow are romaine and endive."
The noun 'lettuce' is an uncountable noun as a word for a food substance.
Units of lettuce are expressed by using a partitive noun(also called a noun counter) is a noun to count or quantify an uncountable noun; for example, heads of lettuce or leaves of lettuce.
The plural noun 'lettuces' is a word for 'type of' or 'kinds of' lettuce; for example, "The lettuces we grow are romaine and endive."
Transport is both countable and uncountable as a noun.
countable
Uncountable
uncountable
uncountable
The gerund painting is a countable noun, as in "There are 12 paintings in this room."
few is countable
countable
Countable
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
he asked me if the word fire wood countable or uncountable?
Countable