water aerobics

[donnach]

Is there a name for those words that end in 's' but take a singular noun?

Are they considered count or noncount nouns?

Thank you,

Donna

[5jj]

Is there a name for those words that end in 's' but take a singular noun verb?

Are they considered count or noncount nouns?

Words such as aerobics, physics, mathematics, etc are used as uncountable (non-count) nouns.