First-line
"First-line" in a Sentence (5 examples)
Penicillin is a first-line treatment for bacterial infections, but doesn't work against viruses.
XDR-TB does not respond to two first-line drugs commonly used to treat TB, and it is resistant to at least two second-line drugs. Without treatment, the condition is fatal.
The embankment was the first-line defense against the flood.
first-line manager
Police sergeant is a first-line position.