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first-line

American  
[furst-lahyn] / ˈfɜrstˈlaɪn /

adjective

  1. available for immediate service, especially combat service.

    first-line troops.

  2. of prime importance or quality.


first-line British  

adjective

  1. acting or used as a first resort

    first-line treatment

    first-line batsmen

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of first-line

First recorded in 1895–1900

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"This is important as paracetamol is the first-line medication we recommend for pregnant women in pain or with a fever," said Prof Khalil, professor of maternal fetal medicine at City St George's, University of London.

From BBC

NHS England estimates that around 50 patients a year may benefit, but Tholouli told the BBC she believed it could be more, and predicted it would eventually be used as a first-line treatment instead of stem cell transplantation.

From BBC

Other first-line medications include cyclizine, promethazine and prochlorperazine.

From BBC

"Hydralazine is one of the earliest vasodilators ever developed, and it's still a first-line treatment for preeclampsia -- a hypertensive disorder that accounts for 5 to 15% of maternal deaths worldwide," says Kyosuke Shishikura, a physician-scientist at the University of Pennsylvania.

From Science Daily

The Osaka-based company plans to expand the drug into first-line gastric and pancreatic cancer settings, the filing showed.

From The Wall Street Journal