BRCA

1. abbreviationhistoricalinitialismInitialism of Brotherhood (of) Railway Carmen of America.

plural BRCAs

1. countableuncountablebiochemistryAny of a number of genes and proteins associated with breast cancer, especially BRCA1 and BRCA2.

   1 more example

   The writer David Samuels, a friend since childhood, said the cause was metastatic breast cancer, which in her case had resulted from the BRCA genetic mutation. Ms. Wurtzel had a double mastectomy in 2015. After her diagnosis, she became an advocate for BRCA testing — something she had not had — and wrote about her cancer experience in The New York Times.

   2020 January 7, Neil Genzlinger, “Elizabeth Wurtzel, ‘Prozac Nation’ Author, Is Dead at 52”, in The New York Times, →ISSN