The noun 'reduction' can be used in an abstract or a concrete context:
abstract: The process of reduction takes several steps in a specific order.
concrete: The reduction is approximately seven tenths of the original mixture.
The noun forms for the verb to reduce are reduction and the gerund, reducing.The noun 'reduction' is an abstract noun when used in an abstract context, such as a reduction in stress or a reduction in poverty.The noun 'reduction' is a concrete noun when used for a physical reduction in a measurable quantity or substance; a word for the result of a process reducing something.The gerund 'reducing' is an abstract noun as a word for a process.
The noun form of the verb to weaken is the gerund, weakening.The noun 'weakening' is an abstract noun as a word for a reduction in value of money or financial markets.The noun 'weakening' is a concrete noun as a word for a physical loss in strength.
Yes, the noun astonishment is an abstract noun, a word for an emotional reaction.
Is undergone an abstract noun
Concrete noun
The abstract noun is criticism.
The noun 'hopefulness' is an abstract noun, a word for an emotion.
Abstract noun of hopeless
The abstract noun is obligation.
Friendship has not abstract noun because It is a abstract noun
The abstract noun form is tourism.
The abstract noun for the adjective vacant is vacantness. Another abstract noun form is vacancy.