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bulb

 
pronunciation:
buhlb
features:
Word Combinations (noun), Word Explorer
part of speech: noun
definition 1: a plant bud that begins to grow underground. Tulips and crocuses grow from bulbs.
 
definition 2: any bulging or round part.
The bulb of a thermometer holds the mercury.
definition 3: a device made of rounded glass used to create electric light.
The bulb burned out.
 
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  flower, garden, light, plant, rodent, tool