seminal

 
Pronunciation: /ˈsɛmɪn(ə)l/

adjective

  • 1strongly influencing later developments: his seminal work on chaos theory
  • 2relating to or denoting semen: the spermatozoa are washed to separate them from the seminal plasma
  • Botany relating to or derived from the seed of a plant: the seminal root system

Derivatives

seminally

adverb

Origin:

late Middle English (in seminal (sense 2)): from Old French seminal or Latin seminalis, from semen 'seed'. seminal (sense 1) dates from the mid 17th century