sem·i·nal

[sem-uh-nl]
adjective
1.
pertaining to, containing, or consisting of semen.
2.
Botany. of or pertaining to seed.
3.
having possibilities of future development.
4.
highly original and influencing the development of future events: a seminal artist; seminal ideas.

Origin:
1350–1400; Middle English < Latin sēminālis, equivalent to sēmin- (stem of sēmen) seed, semen + -ālis -al1

sem·i·nal·i·ty, noun
sem·i·nal·ly, adverb
in·ter·sem·i·nal, adjective
pre·sem·i·nal, adjective


4. germinal, primary, formative, innovative.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To seminal
00:10
Seminal is always a great word to know.
So is multicellular haploid. Does it mean:
organism with having only one complete set of chromosomes
organism capable of self-nourishment which uses photosynthesis or chemosynthesis for energy
Collins
World English Dictionary
seminal (ˈsɛmɪnəl) [Click for IPA pronunciation guide]
 
adj
1.  potentially capable of development
2.  highly original, influential, and important
3.  rudimentary or unformed
4.  of or relating to semen: seminal fluid
5.  biology of or relating to seed
 
[C14: from Late Latin sēminālis belonging to seed, from Latin sēmen seed]
 
semi'nality
 
n
 
'seminally
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

seminal
late 14c., "of seed or semen," from O.Fr. seminal (14c.), from L. seminalis, from semen (gen. seminis) "seed" (see semen). Fig. sense of "full of possibilities" is attested from 1630s.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

seminal sem·i·nal (sěm'ə-nəl)
adj.
Of, relating to, containing, or conveying semen or seed.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Prominent designers from an array of disciplines identify books that were
  seminal in shaping their lives and work.
In the first of a regular series of columns, the seminal designer shares his
  vision on the state of design and his creative drive.
Or if they should play at part at all in a seminal moment in a decade-long war
  on terror.
He was a truly great physicist and astronomer who had made seminal discoveries
  in observational cosmology.
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