氧化铁 (yǎng huà tiě) — iron oxide; ferric oxide

Definition

noun
iron oxideferric oxide

Examples

  • 氧化铁。
    Zhè zhǒng yán liào hán yǒu yǎng huà tiě.
    This pigment contains iron oxide.
  • 氧化铁。
    yǎng huà tiě Shì yì zhǒng cháng jiàn de hóng sè yán liào.
    Iron oxide is a common red pigment.
  • 氧化铁。
    Tiě shēng xiù hòu huì chǎn shēng yǎng huà tiě.
    Iron produces iron oxide after rusting.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

氧化oxidation
氧yǎngoxygen化huàchange
偏正Modifier + head

氧化铁 names iron combined with oxygen: 氧化 points to the oxide form, and 铁 identifies the iron.

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.

Meaning part形符xíngfú
气气qìgas
Sound part声符shēngfú
養
養yǎng氧yǎng
Same sound today

氧 pairs 气 (gas) with 養 (to nourish), and 養 gives the sound yǎng.

Open 氧 →

Two or more meaningful parts placed together so that their meanings combine into a new one.

化 shows two person figures, one upright and one upside down, to give the idea of reversal or change.

Open 化 →

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

This origin belongs to the traditional form 鐵; 铁 is its simplified writing.

Meaning part形符xíngfú
金金jīnmetal
Sound part声符shēngfú
𢧤
𢧤𢧤鐵tiě
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 鐵 pairs 金 (metal) with 𢧤 as a sound part; the simplified 铁 is a later shorthand.

Open 铁 →

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