Firefox (Fx, fx, or FF)

A graphical Web browser developed by the not-for-profit Mozilla Corporation

and made available free of charge for Windows, Mac, and Linux computers. Firefox began as a fork of the Navigator component of the Mozilla application suite. See also Mozilla.

• headend
• header
• header compression
• header error control (HEC)
• header suppression
• headroom
• Hearing Carry Over (HCO)
• heavy carrier
• heavy metal
• HEC (Header Error Control)
• Hellenologophobia
• henry (H)
• Hertz, Heinrich Rudolf (1857–1894)
• Hertz (Hz)
• Hexadecimal
• hexadecimal notation (hex)
• hexadecimal notation (hex)
• hex (hexadecimal notation)
• HFC (Hybrid Fiber/Coax)
• HF (High Frequency)
• HF (High Frequency)
• high bit-rate digital subscriber line (HDSL)
• high capacity voice (HCV)
• high-cost area
• high definition television (HDTV)