Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

germ line

noun

Definition of germ line

  1. :  the cellular lineage of a sexually reproducing organism from which eggs and sperm are derived; also :  the genetic material contained in this cellular lineage which can be passed to the next generation



1925

First Known Use of germ line

1925


Medical Dictionary

germ line

noun

Medical Definition of germ line

  1. :  the cellular lineage especially of a sexually reproducing animal from which eggs and sperm are derived and in which a cell undergoing mutation can be passed to the next generation <the difference between gene therapy of somatic cells and modification of the germ line—David Baltimore>




Learn More about germ line

  1. Medical Dictionary: Definition of germ line


Seen and Heard

What made you want to look up germ line? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to criticize in a loud and angry way

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

confounded-person

Which is a synonym of indolent?

lazy frenetic philistine melancholy
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ