led

adjective2

1. •
   Under somebody's control or leadership.
2. •
   Of a farm, etc.: managed by a deputy instead of the owner or tenant in person.

noun1

1. •
   Initialism of light-emitting diode.

   • The light-emitting capacity of an LED is measured in megacandela [recte millicandelas] or mcd. Small commercial LEDs range from 10 to about 5000 mcd. — 2012