polymethylene
(obsolete, chemistry) Any organic compound having a general formula (CH₂)ₙ / (chemistry, in combination) Any of many organic compounds either having a polymeric structure of repeating -CH₂- groups
The quality of being separative.
A termite colony.
plural of radar reflector
古い化学文献では、その用語は一般式 (CH₂)ₙ を持つ有機化合物を指すことが多かった。
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