Definitions of mainline
-
inject into the vein
-
type of:
-
inject
take by injection
-
inject
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘mainline'.
Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors.
Send us feedback
Word Family
EDITOR'S CHOICE
Look up mainline for the last time
Close your vocabulary gaps with personalized learning that focuses on teaching the words you need to know.
