Bulb is a noun. Example sentences:
I want to find an LED bulb to replace the incandescent bulb that burned out.
The thermometer was made of glass, with a bulb at the end.
I have planted a new rose bulb in the garden.
The light bulb has gone out again.
We're going to need another bulb. This tulip will grow from a bulb.
A 40 watt bulb is dimmer than a 100 watt bulb.
Thomas edison used innovation to create the light bulb.
The light bulb shimmered in my eyes. The sun shimmered on me metal watch.
The bulb that fused was of 5 megawatts. This is a sentence containing the word megawatt.
I'm going to need another florescent light bulb, please.
The correct placement for the apostrophe in the sentence "The minds light bulb dims" would be "mind's" to indicate the possessive form of "mind." It shows that the light bulb belongs to a single mind.
The plural form of the word "bulb" is "bulbs."
The projector had a new bulb;we could tell because the image it was "throwing onto the wall" was bright and clear.
i do not want an incandescent bulb.
Yes, the word 'light bulb' is a noun, a compound noun, a word for a thing.
No. The light bulb is two words, not a combination of light and bulb.