polyoxymethylene
名词 n.
英文释义
名词 n.
- A polymer of formaldehyde having a repeat unit of -CH₂-O- ; it is used in engineering to make small gears etc
词形变化
词源
Etymology tree
Proto-Indo-European *pleh₁-
Proto-Indo-European *polh₁ús
Ancient Greek πολῠ́ς (polŭ́s)lbor.
English poly-
Proto-Indo-European *h₂eḱ-der.?
Ancient Greek ὀξῠ́ς (oxŭ́s)bor.
English oxy-
French méthylène
English methylene
English polyoxymethylene
From poly- + oxy- + methylene.
Proto-Indo-European *pleh₁-
Proto-Indo-European *polh₁ús
Ancient Greek πολῠ́ς (polŭ́s)lbor.
English poly-
Proto-Indo-European *h₂eḱ-der.?
Ancient Greek ὀξῠ́ς (oxŭ́s)bor.
English oxy-
French méthylène
English methylene
English polyoxymethylene
From poly- + oxy- + methylene.
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数据来源: Wiktionary