- male-to-female (transgender or transsexual)
- (chiefly military) more to follow
mtf - Computer Definition
(1) (Modulation Transfer Function) A measurement of monitor sharpness. MTF compares the contrast ratio between alternating black and green lines that are one pixel thick.
(2) (Microsoft Tape Format) A backup tape format developed by Seagate Software and Microsoft. It is able to identify operating system-specific data.