female-to-male

female-to-male (not comparable)

1. Used other than figuratively or idiomatically: see female,‎ to,‎ male.

   the female-to-male ratio is 3-to-5

2. (LGBT) Transitioning or having transitioned (in gender identity or presentation, physically, etc) from being female to being male.
3. (electronics, of an adapter) That changes a female end (usually a socket) of a connection into a male one (with pins, usually a plug).

(transgender):

• FtM
• FTM
• F2M

• male-to-female

female-to-male (plural female-to-males)

1. A female-to-male transsexual or transgender person; a trans man.
   • 1980, Louis Sullivan, Information for the Female-to-male:

     The lack of a crossgender peer group is a gaping reality for most female-to-males. While all transvestites/transsexuals are a hidden minority, the female-to-males are an even more hidden minority within that minority.

• male-to-female