Could you say me what's meaning "hydrogen build-up" in the phrase?
"The cause of the explosion was unclear, with some experts speculating that it may have resulted from a hydrogen build-up. "

Thanks.

Question

Could you say me what's meaning "hydrogen build-up" in the phrase?
"The cause of the explosion was unclear, with some experts speculating that it may have resulted from a hydrogen build-up. "

Thanks.

Answer

Your question was "can you say me what's meaning of.."    It would be better to ask:  Can you tell me what is the meaning of..."    In America, we like to see an article before every noun.  There are exceptions, but few of them.

Answer

The term "build up" can mean to accumulate or collect.
 So in this sentence... the"hydrogen build-up" means that an excessive amount of hydrogen gas may have accumulated in the area which may have resulted in an explosion.

Answers · 2

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