noun
BAD : His laughters filled the whole apartment.
GOOD : His laughter filled the whole apartment.
◆◆◆
Laughter is an uncountable noun: 'There was always a lot of laughter and joking when Henry came to dinner.'
noun
BAD : His laughters filled the whole apartment.
GOOD : His laughter filled the whole apartment.
◆◆◆
Laughter is an uncountable noun: 'There was always a lot of laughter and joking when Henry came to dinner.'
Longman Common Errors English vocabulary. Английский словарь распространенных ошибок Longman. 2012