The noun "life" in the noun phrase "millers' life" (the life of millers) is an abstract noun. The "life" of anyone or anything is a concept.
The plural, possessive noun "millers'" is a concrete noun as a word for people.
Concrete. (You can see it, feel it, bite it!)
The noun 'autobiography' is a concrete noun as a word for a physical manuscript or book.The noun 'autobiography' is an abstract noun as a word for a type of literature.
The word 'infant' is both an adjective and a noun, a concrete noun as a word for a physical person.The abstract noun form of the concrete noun 'infant' is infancy, a word for a period in a person's life.
The noun 'cafeteria' is a concrete noun as a word for a physical place.
The abstract noun form of the concrete noun 'baby' is babyhood, a word for a period in a person's life.
The noun 'Philadelphia' is a concrete noun, a word for a physical place.
Concrete. (But few bathtubs are made out of concrete.)
The word 'infant' is not an adjective; the word 'infant' is a noun, a concrete noun, a word for a person (a very young person).The abstract noun form of the concrete noun 'infant' is infancy, a word for a period in a person's life.
The abstract noun for the concrete noun 'boy' is boyhood, a word for a period of time in a person's life.
The noun 'oranges' is the plural form for the noun orange, a common, concrete noun; a word for a thing.
The noun 'youth' is a singular, common noun. The noun 'youth' is a abstract noun as a word for a period in life. The noun 'youth' is a concrete noun as a word for a person.
its a concr