carbonize

/ˈkɑːbənaɪz/ (bre, ipa) · /ˈkɑːrbənaɪz/ (ame, ipa) · /ˈkär-bə-ˌnīz/ (ame, mw)

carbonize — 動詞

  • carbonizepresent simple I / you / we / they
  • carbonizeshe / she / it
  • carbonizedpast simple
  • carbonizing-ing form

1. When a material carbonizes, strong heat or very long natural pressure leaves it

1.動詞及物 / 不及物C2
釋義

炭化

受熱或久壓後變成碳

When a material carbonizes, strong heat or very long natural pressure leaves it as black carbon. You can also carbonize a material on purpose.

例句

The dry wood carbonized in the kiln after several hours.

這塊乾木頭在窯裡燒了幾個小時後炭化了。

intransitive: material + carbonized from heat

Workers carbonized the coconut shells to make black cooking fuel.

工人把椰子殼炭化，做成黑色的炊事燃料。

transitive: carbonize + material

同義詞
  • char

    more common and often used for partial burning that leaves a black surface

  • burn

    much broader and does not specifically mean becoming carbon

  • calcine

    technical and used for heating minerals rather than ordinary materials

文法句型

carbonize + material

material + carbonizes under heat

用法筆記

Often used in scientific or historical writing about burning, burial, or fossil remains. Unlike simple burn, this sense focuses on the material ending up as carbon or a black charred layer.

常見錯誤

❌The paper carbonized into smoke.
✅The paper carbonized into a black crust.
💡'Carbonize' means the material becomes carbon or char, not that it simply vanishes.

2. To carbonize a metal means to add carbon to it so the outer part becomes harder.

2.動詞及物C2
釋義

滲碳

讓金屬吸收碳而變硬

To carbonize a metal means to add carbon to it so the outer part becomes harder.

例句

The factory carbonized the steel parts before fitting them into the gears.

工廠先替這些鋼製零件滲碳，再把它們裝進齒輪組裡。

technical use: carbonize + steel parts

Engineers carbonize the blade edge so it stays hard longer.

工程師會替刀刃邊緣滲碳，好讓它更久保持堅硬。

同義詞
  • carburize

    the more common technical verb for adding carbon to metal

  • case-harden

    focuses on making the outside harder and may use methods beyond carbon

反義詞

文法句型

carbonize + metal

carbonize + metal part

用法筆記

Used in technical writing about metal treatment. Unlike sense 1, the metal does not burn away; carbon is added to help harden the surface.

常見錯誤

❌The factory carbonized the steel to melt it faster.
✅The factory carbonized the steel to harden the surface.
💡In this sense, carbon is added to metal; the goal is not melting.