Is Lettuce a countable noun or an uncountable noun?

It can be used as both countable and uncountable nouns.

As a plant lettuce or as a vegetable leaf, it is countless. As a variety of lettuce, it is countable.

Lettuce　

English? ['let? S] beautiful? ['let? s]? ? 　

n.? Lettuce; Lettuce.

Lexical collocation

Iceberg lettuce iceberg lettuce.

Coslettuce lettuce

Extended data:

Synonym of Lettuce:

1、romaine lettuce

English [r? u? mein ? letis] ? Beauty [ro? men ? l? t? s] ?

< Beauty > Lettuce with long leaves

Effects? of? Organic-inorganic? Compound? Fertilizer? and? Inorganic? Compound? Fertilizer on? the Growth? and? Quality? of? Romaine? Lettuce?

Effects of organic-inorganic compound fertilizer and inorganic compound fertilizer on the growth and quality of lettuce.

2、cos lettuce

English [? k? s ? let? s] ? Beauty [? kɑ:s ? let? s] ?

Lettuce; Lettuce.

Study? on? the? distribution? and? combined? of? selenium? in? cos? lettuce?

Study on Selenium Content Distribution and Speciation in Lettuce