TEL

Aeronautics, Aerospace, Automotive, Aviation, Business, Chemistry, Engineering, Natural sciences, Organic chemistry, Physical sciences, Transport, Vehicles tetraethyllead (or tetraethyl lead, tetra-ethyl lead); a gasoline additive to boost octane rating

A label for telephone number.

Aerospace, Astronautics, Business, Engineering, Government, Military, Natural sciences, Physical sciences, Politics, War Abbreviation, Initialism Initialism of transporter erector launcher.