Light Bulb

Pronunciation: /laɪt bʌlb/

Definitions of light bulb

noun a light bulb is also used as a metaphor for an idea or inspiration

Example Sentences

A1 I need to buy a new light bulb for the lamp.

A2 The light bulb in the bathroom needs to be replaced.

B1 I prefer energy-saving light bulbs for my home.

B2 The LED light bulb is more efficient than traditional incandescent bulbs.

C1 The smart light bulb can be controlled remotely via a smartphone app.

C2 The light bulb in the fixture emits a warm, soft glow.

Examples of light bulb in a Sentence

formal The inventor Thomas Edison is credited with creating the first commercially practical incandescent light bulb.

informal I need to change the light bulb in the hallway, it's been flickering for days.

slang I had a light bulb moment and finally figured out how to solve the puzzle.

figurative The realization hit me like a light bulb turning on in a dark room.

Grammatical Forms of light bulb

• past tense: lit
• plural: light bulbs
• comparative: brighter
• superlative: brightest
• present tense: lights up
• future tense: will light up
• perfect tense: has lit
• continuous tense: is lighting
• singular: light bulb
• positive degree: bright
• infinitive: to light up
• gerund: lighting
• participle: lighted

Origin and Evolution of light bulb

First Known Use: 1879 year

Language of Origin: English

Story behind the word: The term 'light bulb' originated from the combination of the words 'light' and 'bulb' to describe the invention of a bulb-shaped device that produces light when electricity passes through it.

Evolution of the word: The term 'light bulb' has remained consistent in its usage and meaning since its first known use in 1879, referring to the same electrical lighting device.