助燃 (zhù rán) — (chemistry) combustion-supporting; oxidizing | TongTong Chinese Dictionary

Definition

adjective

(chemistry) combustion-supportingoxidizing

Examples

助燃，。
Zhè zhǒng qì tǐ shì zhù rán de, yù dào huǒ xīng hěn róng yì rán shāo.
This gas is combustion-supporting; it ignites easily when it meets a spark.
，助燃。
Shí yàn shí yào zhù yì, zhù rán wù zhì bù néng hé yì rán wù fàng zài yì qǐ.
In experiments, be careful: combustion-supporting substances cannot be stored with flammable materials.
助燃。
Yǎng qì shì yì zhǒng cháng jiàn de zhù rán jì.
Oxygen is a common combustion-supporting agent.

Origin

Compound word

构词法gòucífǎ

动宾dòngbīnVerb + object

An action followed by what it acts on, fused into one word.

燃ránburning

“助” means assist and “燃” means burning, together describing something that assists combustion.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

且力助

Meaning part形符xíngfú

力力lìstrong arm

Sound part声符shēngfú

且

且qiě助zhù

Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

助 pairs 力, a strong arm, with 且, which gives the sound; the meaning is help with strength.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

火然燃

Meaning part形符xíngfú

火火huǒfire

Sound part声符shēngfú

然

然rán燃rán

Same sound today

燃 adds 火 (fire) to 然 to write “burn”; 然 supplied the sound, and 火 was added to make the fire meaning clear.

Appears in

Physics & Chemistry

Browse more HSK 7-9 words or search the full 43,000-word dictionary.