It can be either a verb or a noun:
The word 'evaporation' is a noun; a word for a process of liquid turning into vapor; a word for the process of something abstract ceasing to exist; a word for a thing.The related verb is to evaporate.
The word 'diffusion' is a noun, a word for the movement of light in many directions; the spread of atoms from a high concentration to a lower concentration.The verb form is to diffuse.
The word 'substitute' is a noun, a singular, common, abstract noun; a word for someone or something that takes the place of another.The word 'substitute' is also a verb (substitute, substitutes, substituting, substituted). The noun form of the verb to substitute is the gerund, substituting.A related noun form is substitution.Examples:Salsa is a good substitute for tomatoes in a sandwich. (noun)Jack will substitute for Jeffrey in the role of the mayor. (verb)I enjoy substituting at the elementary schools. (gerund)What is a good substitution for the word 'risk' in this sentence? (noun)
Yes, "fuel" is a noun. It refers to a material that is used to produce heat or power by burning.
The noun fire is a singular, common, concrete noun, a word for a thing.The word fire is also a verb (fire, fires, firing, fired).
My car is out of fuel, which is why I am now headed toward the gas station.
No, the word 'fueled' is the past participle, past tense of the verb to fuel. The past participle of the verb also functions as an adjective.The word 'fuel' is also a noun, a word for a material used to produce heat or power by burning; a word for a thing.
The word 'noun' is not a verb. The word 'noun' is a noun, a word for a thing.
The word 'be' is not a noun. The word 'be' is a verb, the verb to be.
The word 'have' is both a verb and a noun.The noun 'have' is an informal word for people with plenty of money and possessions.The noun form of the verb to have is the gerund, having.
No, the word "is" is not a noun. The word "is" is a verb.
The word 'word' is both a noun (word, words) and a verb (word, words, wording, worded).Examples:What is the word for H2SO4? (noun)I don't know how to word the request. (verb)
Noun. The verb is 'use'.
The word 'drum' can be used as a verb or a noun.
The word "is" is NOT a noun.The word "is" is a verb, a form of the verb "to be".A noun is a word for a person, a place, or a thing.The verb "is" functions as a main verb and an auxiliary (helping) verb.Examples:Margaret is smart.main verb, Margaret = smart;the word smart is a predicate adjective;the noun is Margaret, a word for a person.The class is going to Spain.auxiliary verb, the main verb is going;the noun class is a word for a thing;the noun Spain is a word for a place.
The word 'hatching' is a verb
The word learn is a verb only.The word float is both a noun and a verb.The word crowd is both a noun and a verb.