MtF

1. alternativenot comparableAlternative form of MTF (“male-to-female (transgender)”).

plural MtFs

1. alternativeAlternative form of MTF (“male-to-female (transgender person)”).

1. abbreviationinitialismgovernmentInitialism of more to follow.

1. abbreviationinitialismnot comparableInitialism of male-to-female (transgender or transsexual).

plural MTFs

1. A male-to-female person.

   Hormone-related cancer in transgender persons is very rare (there are case reports of breast cancer in MTFs).

   2008, Harvey J. Makadon, The Fenway Guide to Lesbian, Gay, Bisexual, and Transgender Health

   1 more example

   A trans person might be a butch or a camp, a transgender or a transsexual, an MTF or FTM or a cross-dresser; […]

   2013, Susan Stryker, Stephen Whittle, The Transgender Studies Reader, page xi

2. abbreviationinitialismbusinessInitialism of multilateral trading facility.
3. abbreviationinitialismnuclear physicsInitialism of magnetized target fusion.
4. abbreviationinitialismInitialism of mean or median time to failure.

1. abbreviationhistoricalinitialismUS space programaerospaceInitialism of Mississippi Test Facility.