Preposition: in

• development: The influence of its work on gases and vapors was to prove seminal in the development of inhalation anesthesia.

Modifies a noun

• vesicle: The pair of seminal vesicles secrete up to 85 % of the total volume of seminal fluid.

• essay: His seminal essays on the subject, What Is Hypertext?

• fluid: The gland produces seminal fluid, which is mixed with sperm to make semen.

• thinker: He reminds us that the seminal thinkers of the late nineteenth and early twentieth century were Mahan, Corbett and Richmond, not Laughton.

• textbook: At the time of his appointment, Professor Jones had just completed his seminal textbook, Design Methods: Seeds of Human Futures.

• album: The Beatles ' seminal album is the inspiration for the world premiere of THE WHITE ALBUM from 18 March to 8 April.

Modifying Another Word

• absolutely: Stanislaw Lem, an absolutely seminal sci-fi author, has died at the age of 84.

• truly: Mirrors: Hands In My Pockets: Press Release Mirrors, a truly seminal band!

• equally: Now twenty years later and it's back on parole, just like the equally seminal Star Wars - The Special Edition before it.

• now: It began with the now seminal, " Can you Digit?

• so: We can hardly take a purely hostile attitudes to someone who has been so seminal and creative.

Used with adjective complement

• prove: Remember the date, because it could just prove seminal in the history of our football club.

• become: The Washington Post piece, tho not immediately attracting much attention, may eventually become seminal to the developing controversy over the probable war.