Not essential., A thing not essential.
true
Yes, a parenthetical expression is considered a nonessential element in a sentence because it provides additional information or clarification but can be removed without changing the overall meaning of the sentence.
All nonessential personnel will have to stay behind the barriers.
It is nonessential information to list every flower on his property.His elementary school grades are nonessential on a job application.
Essential clauses, also known as restrictive clauses, are necessary for the sentence to make sense and cannot be removed without changing the meaning of the sentence. Nonessential clauses, also known as nonrestrictive clauses, provide additional information but can be removed without altering the core meaning of the sentence.
essential means it is very important and nonessential means that it isn't important.
A comma before "which" depends on whether it introduces a nonessential clause. If the information following "which" is necessary for the sentence's meaning, no comma is needed. However, if the clause is nonessential, a comma before "which" is appropriate.
paranthesis
A nonessential phrase is a phrase in a sentence that doesn't need to be there. For example; The boy, who just ate dinner, wrote that story. No one needs to know that the boy just ate dinner. Who just ate dinner is a nonessential phrase.
superficial, surface, nonessential
glycine
8