macromolecule

/ˈmæk.rəʊˌmɒl.ɪ.kjuːl/ (bre, ipa) · /ˈmæk.roʊˌmɑː.lɪ.kjuːl/ (ame, ipa) · /ˌma-krō-ˈmä-li-ˌkyü(ə)l/ (ame, mw)

macromolecule — 名詞

  • macromoleculesingular
  • macromoleculesplural

1. A molecule of very large size, created when many smaller molecules join together

1.名詞C1
釋義

大分子

由許多小分子結合而成的大型分子

A molecule of very large size, created when many smaller molecules join together through chemical bonds. Macromolecules such as proteins, DNA, and synthetic polymers form the basic structures of living cells and many manufactured materials.

例句

Dr. Chen explained that proteins are a type of macromolecule found in every living cell.

陳博士解釋,蛋白質是一種存在於每個活細胞中的大分子。

collocation: a type of macromolecule

The biology textbook described how DNA is a macromolecule made of many smaller units.

生物課本說明,DNA 是由許多較小單位構成的大分子。

同義詞
  • polymer

    more specific — all polymers are macromolecules, but many naturally occurring macromolecules like proteins and DNA are not always referred to as polymers in everyday scientific usage

反義詞
  • micromolecule

    a small molecule of low molecular weight, such as water, glucose, or amino acids

文法句型

macromolecule + of + [substance]

[example substance] + is a + macromolecule

用法筆記

Common in scientific writing about biology and chemistry. Countable noun — one macromolecule, two macromolecules.

常見錯誤

A protein is a big molecule.
A protein is a macromolecule.
💡In scientific contexts, use 'macromolecule' instead of 'big molecule' for precision.