Yes it is.
The plural would be houses.
The noun 'house' is a count noun.A count noun is a noun that has a singular and a plural form.The plural form of the singular noun 'house' is 'houses'.
The noun 'house' is singular, the plural form is houses.
The noun 'house' is a singular, common, concrete noun; a word for a thing.
The plural of house is houses.
The collective noun is a house of senators.
The noun 'White House' is a singular, common, concrete, compound noun; a word for any white house anywhere. The noun 'The White House' is a proper noun, the name of a specific building; the home of the US President.
The singular form of the plural noun potters is potter.The singular possessive form is potter's.example: The potter's shed is behind the house.
The possessive form of the singular, proper noun Avery is Avery's.example: We're on our way to Avery's house.
There is one human and multiple animals in a farm. Here humans is singular and plural noun.
The possessive form of the singular noun Phillip is Phillip's.Example: I'll stop by Phillip's house with the assignment.
The word 'house' is a general noun; a common, singular, concrete noun, a word for any house of any kind. A specific noun for house is a town house, a dog house, a carriage house, my house, etc. A very specific noun for house is The White House, Ten Downing Street, 155 Main Street, or Fallingwater House, Mill Run Road, Mill Run, PA.
Yes. Hay is a singular noun. A Singular noun means one item only. So technically, hay is a singular noun.