bulb

noun
UK: /bʌlb/
US: /bʌlb/

  1. A rounded glass container that produces light when electricity passes through it.

    1. I need a new bulb for my lamp because it's dark.
    2. The energy-efficient bulb uses less electricity and lasts longer than older models.

  2. The round, underground part of some plants, such as onions and tulips.

    1. We planted a bulb in the garden last fall.
    2. The gardener carefully dug up the tulip bulb for replanting next spring.

  3. A rounded or bulging part of something.

    1. The thermometer has a bulb at the bottom.
    2. He noticed a bulb forming in the water pipe, indicating potential damage.

Synonyms

bud corm protuberance
bulb intransitive-verb

  1. To form or grow into a bulb shape.

    1. The plant bulb starts to bulb in the fall.
    2. After several weeks, the root began to bulb at the base of the stem.
bulb transitive-verb

  1. To provide with a bulb.

    1. Let's bulb the garden this season with tulips.
    2. The city decided to bulb the park's pathways for improved nighttime visibility.

Frequently Asked Questions

The word "bulb" in English means: A rounded glass container that produces light when electricity passes through it., The round, underground part of some plants, such as onions and tulips., A rounded or bulging part of something..

The phonetic transcription of "bulb" is /bʌlb/ in British English and /bʌlb/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "bulb": bud, corm, protuberance.

Example usage of "bulb": "I need a new bulb for my lamp because it's dark.". More examples on the page.