Its essential nature, he pointed out, was an academic question.
He would yet determine the essential nature of phage; and as he became stronger and surer—and no doubt less human—he saw ahead of him innumerous inquiries into chemotherapy and immunity; enough adventures to keep him busy for decades.
He told himself that however much he might relieve the sick, essentially he was a business man, in rivalry with Dr. Winter of Leopolis and Dr. Hesselink of Groningen; that though they might be honest, honesty and healing were less their purpose than making money; that to get rid of avoidable disease and produce a healthy population would be the worst thing in the world for them; and that they must all be replaced by public health officials.
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.