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Jasnkid Posted 14 years ago
Grammar

known vs. known as

Hi, teachers

The bacterial cleanup probably did not eliminate polycyclic aromatic hydrocarbons, [known / known as] carcinogens that are among the most toxic and potentially dangerous ingredients in oil.

In my opinion, both ‘known’ and ‘known as’ could be possible. The former is an adjective, and the latter is a participial construction. Am I right?

Thanks in advance.
  

Top answer

Hi, Yes. I think 'known' sounds a little more definite to me. Clive

  • Hi, Yes.
  • I think 'known' sounds a little more definite to me.
  • Clive
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2 Answers
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Hi,

Yes.

I think 'known' sounds a little more definite to me.

Clive
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Hi,
To me, this is not a well formed sentence, a lot of big words but semantically not well defined. What is a "bacterial cleanup"? If I were to pick one based on this context, "known as" is the one I would pick. But if I could change it, I would say: "hydrocarbon..... known to be carcinogenic ", or, "...hydrocarbon, one of the most toxic ingredients .....". The word " toxic " already suggest

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