Abstract nouns
Abstract nouns refer to those intangible nouns which our five senses cannot detect. Feeling, qualities, theories, relationships, ideas and experience are expressed by abstract nouns. Literally, abstract means something that exists only in idealized form. It only exists in mind. Abstract nouns are opposite of Concrete nouns. We cannot see, feel, hear, taste or smell these nouns. Examples:
Love, wisdom, talent, patience, success, etc...
Use of abstract nouns in sentences
Failure is the pillar of success.
Beauty lies in the eyes of beholder.
Material nouns
Material nouns are the names of the substances which things are made of. These types of nouns are mostly proper nouns than common nouns. Material nouns are found in nature (animals, plants, elements) and later used by human to recreate various things of necessity. Material nouns in general cannot be pluralized. Examples:
gold, mercury, water, milk, juice, copper, steel, iron, etc...
Use of material nouns in sentences
We run a steel company.
Among beverages I like to drink coffee in the morning.