first-line

2 ENTRIES FOUND:

first–line

adjective \ˈfərst-ˈlīn\

: used or chosen first

: available to be used immediately

Full Definition of FIRST-LINE

:  being the preferred, standard, or first choice <first–line treatment of tuberculosis> — compare second-line

First Known Use of FIRST-LINE

1925

first–line

adjective \ˈfərst-ˈlīn\   (Medical Dictionary)

Medical Definition of FIRST–LINE

: being the preferred, standard, or first choice <first–line treatment of advanced breast cancer>—compare second-line

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