A bulb is a short stem with one or more flowers that are usually large and showy, such as tulips, hyacinths, and daffodils. It can also refer to a light-emitting diode (LED) which produces light through electroluminescence.
Usage examples
The light bulb in our living room needs to be replaced.
I planted flower bulbs in my garden to bloom in the spring.
My flashlight requires two AA batteries and a bulb to work properly.
The electrician is coming over to install energy-efficient bulbs throughout the house.
I accidentally broke the bulb while changing it, and now I need to buy a replacement.
The tulip bulbs I bought from the nursery are already starting to sprout.
The lamp on my desk has a dimmer switch to control the brightness of the bulb.
The police officer noticed a suspicious package with wires and a light bulb inside.
In ancient times, people used oil lamps with a wick and a glass bulb to light their homes.
My science project involves testing different types of bulbs to see which one produces the most heat.
A light bulb lit, and they realized that students placed according to their academic level online is needed for every child — not just students with disabilities. (nancyebailey.com)
So if you fancy having a few very basic smart bulbs in addition to the mad colours you're putting in other rooms, this is a cheap way to grab a couple. (t3.com)
They are planning to replace the current light fixtures with LED bulbs in the coming weeks. (treehugger.com)