Yes, the noun 'improvement' is an abstract noun; a word for the process of making something better than it was before; a change made to something in order to make it better; a word for a concept.
Yes, the word 'improvement' is a noun; a singular, common, abstract noun; a word for a change for the better; progress in development; a word for a concept; a word for a thing.
Use the noun metaphorically to make it describe an abstract concept. Example: After he began drinking, Tom became a slave to alcohol.
The noun 'enemy' is a concrete noun, a word for a physical person or group.The noun 'enemy' can be used in an abstract context, for example, "Ignorance is the enemy of an ordered society."
The noun 'hopefulness' is an abstract noun, a word for an emotion.
Abstract
Improvement.
Yes, the noun improvement is an abstract noun, a word a change for the better; progress in development; a word for a concept.
An example of an abstract noun is knowledge.
Yes, the word 'improvement' is an idea noun (an abstract noun) a word for a change for the better; progress in development; a word for a concept.
The noun improvement can be a subject noun or an object noun; for example: Subject: An improvement is needed in your study habits. Object: That was an improvement.
Yes, 'example' is an abstract noun; a word for a concept, not a physical thing.
Yes, the word 'improvement' is a noun; a singular, common, abstract noun; a word for a change for the better; progress in development; a word for a concept; a word for a thing.
The noun example is a singular, common, abstract noun.
The noun 'diet' is a singular, common, abstract noun; a word for a concept, a word for a thing. Example: Your diet needs improvement. The word diet is also a verb: diet, diets, dieting, dieted.
The noun form of the verb to revise are revision and the gerund, revising. The noun 'revision' is an abstract noun as a word for an act of change; a change or improvement in something. The noun 'revision' is a concrete noun as a word for something that has had a change or improvement; a word for a physical thing. The noun 'revising' is an abstract noun as a word for a process. The abstract noun forms of the adjective vain are vainness and vanity; words for a behavior or a quality. The abstract noun forms of the verb to behave are behavior and the gerund, behaving; words for a manner or conduct. The abstract noun forms of the concrete noun thief are thievery and theft; words for a practice or an act.
A sausage is not a abstract noun because an abstract noun is something you cannot see but feel for example anger, happiness, which makes a sausage a concrete noun.
The word 'know' can be an abstract noun for example, in the expression 'in the know' or the compound noun 'know how'.The abstract noun form for the verb 'to know' is the gerund knowing.A related abstract noun form is knowledge.