No, the word 'restrictions' is the plural form for the singular noun 'restriction', a count noun.
There may be one restriction, two restrictions, or many restrictions in a situation.
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
The word 'violence' is an uncountable noun.
Yes, the noun 'hydrogen' is an uncountable noun, a word for a substance.
The noun 'health' is an uncountable noun, a word for a condition.
Yes, the noun 'mumps' is a plural, uncountable noun, a word for an infectious disease.
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
The noun 'rain' is a singular, uncountable (mass) noun as a word for water drops falling from clouds; a word for precipitation.The plural noun 'rains' is a plural, uncountable (mass) noun as a word specifically for seasons or periods of rain.
Yes, the word 'persistence' is an uncountable noun, a word for a quality or behavior.
The noun 'music' is an uncountable (mass) noun, a type of aggregate noun, a word representing an indefinite number of elements or parts.
Yes, the noun 'traffic' is an uncountable noun, an aggregate noun, a word representing an indefinite number of elements or parts.
Yes the word healthcare is a noun. It is an uncountable noun.
Yes the word smog is a noun. It is an uncountable noun.