light
n. C / Un. the energy from the sun or a lamp that lets you see things. Without light, everything is dark.
n. the form of electromagnetic radiation that makes things visible. Uncountable when referring to the general phenomenon, but countable when referring to a specific source, such as a lamp.
Plants need light and water to grow.
The only light in the dark room came from the small candle on the table.
As dawn broke, a sliver of golden light crept over the horizon, slowly pushing back the deep blues and purples of the pre-dawn sky.
A light hit the tree during the storm.Lightning hit the tree during the storm.Learners may confuse 'light' (general brightness) with 'lightning', the specific electrical discharge during a thunderstorm.