carbon

B2 noun

Các nghĩa

cacbon

The chemical element (symbol C) with an atomic number of 6. It can be found in pure form for example as graphite, a black, shiny and very soft material, or diamond, a colourless, transparent, crystalline solid and the hardest known material.

uncountable

Carbon is the most common element in our bodies—indeed, in all living things on earth.
nguyên tử cacbon

An atom of this element, in reference to a molecule containing it.

countable

A methane molecule is made up of a single carbon with four hydrogens.
giấy than

A sheet of carbon paper.

countable · informal

He stepped back and opened his bag and took out a printed pad of D.O.A. forms and began to write over a carbon.
bản sao giấy than

A carbon copy.

countable · informal

Please provide me with a carbon of your form.
than · than củi

A fossil fuel that is made of impure carbon such as coal or charcoal.

countable · uncountable
bồ hóng

Soot.

countable · uncountable

Every morning she cleaned the carbon from the lamp chimneys.
muội than cứng

Especially, hardened soot as a caked-on deposit.

countable · uncountable

When you overhaul an engine, you need to remove the carbon from around the valve seats. The carbon buildup can be extensive.
thanh cacbon

A carbon rod or pencil used in an arc lamp.

countable · uncountable

To trim an arc lamp, first remove the old carbons and carefully and thoroughly wipe the carbon rods, holders, &c. with a clean, dry rag.