1. (书、作品等在某一领域)有重大影响的，影响深远的
Seminal is used to describe things such as books, works, events, and experiences that have a great influence in a particular field.

1. containing seeds of later development

e.g. seminal ideas of one discipline can influence the growth of another

Synonym: germinaloriginative

2. pertaining to or containing or consisting of semen

e.g. seminal fluid