non-count noun

See: mass noun

"data" is plural	Collective noun	ESL	Disney to acquire MIT for $6.9 Billion
English: a language with (almost) no negative verbs	English language letter frequencies	data	measure word
count noun	Raisin Nut Bran	cloon	Baggage
pear	uncountable	News	quirky
snot	noun	Linguistics	Philosophy