cellulose

IPA/ˈseljuləʊs/
KK[sˈɛljəlˌos]IPA/ˈseljuləʊs/

cellulose — noun

1. A tough, fibrous material that forms the walls of plant cells; it is the main su

1.名詞B2
釋義

A tough, fibrous material that forms the walls of plant cells; it is the main substance that gives plants their strength and structure, and is widely used to make paper, rayon, cellophane, and certain types of plastic.

例句

Most paper is made from the cellulose found in wood chips and cotton fibres.

made from + cellulose + found in [source material]

Unlike starch, the human body cannot digest cellulose because it lacks the necessary enzymes.

cannot digest cellulose — biological context

同義詞
  • plant fibre

    a broader, less precise term that includes cellulose along with other plant structural materials

  • polysaccharide

    a broader chemical category; cellulose is one specific polysaccharide

文法句型

uncountable noun — no article needed

用法筆記

Cellulose is an uncountable noun and does not have a plural form. It appears most frequently in scientific, biological, and industrial contexts.

常見錯誤

❌The plant cell wall contains many celluloses.
✅The plant cell wall contains cellulose.
💡Cellulose is uncountable and cannot take a plural form.
❌Cellulose is a type of starch found in plants.
✅Cellulose is a type of carbohydrate found in plants, but unlike starch, it is not digestible by humans.
💡Cellulose and starch are different polysaccharides with different functions.