No; for though that difference is the true essential difference—Dona Ana has, I admit, gone straight to the real point—yet it is not a difference of love or chastity, or even constancy; for twelve children by twelve different husbands would have replenished the earth perhaps more effectively.
There are no more uses of "essential" in the book.
Show samples from other sources
The essential feature of the pen is that it writes so consistently.
I carry all the essential tools and materials I need in this toolbox.