The word estimate can be a noun and a verb.
Noun: A rough calculation.
Verb: To calculate roughly.
front end estimation means to use only the whole number part of the decimal. we only use whole numbers to do front end estimation
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "lecturer" is a noun.
The part of speech for "indefinite" is an adjective.