Is this word a countable noun or an uncountable noun?

一般说来,这里我们用代词来代名词.

互联网

An uncountable noun is marked [ U ] in this dictionary.

不可数名词在本词典中以 [ U ] 标明.

互联网

Water is an uncountable noun.

水是不可数名词.

互联网

What is an uncountable noun?

什么是不可数名词?

互联网

Used before an uncountable noun ( abstract, material, proper ) to refer to a countable meaning of noun.

用在不可数名词 ( 抽象 、 物质 、 专有 ) 前,使该名词作为可数名词的用法.

互联网