TTL
TTL ▶noun Electronics a widely used technology for making integrated circuits. [abbreviation of transistor transistor logic . ] ▶adjective Photography (of a camera focusing system ) through-the-lens.
TTL ▶noun [ mass noun ] Electronics a widely used technology for making integrated circuits. [abbreviation of transistor transistor logic . ] ▶adjective Photography (of a camera focusing system ) through-the-lens.