电离层 (diàn lí céng) — ionosphere

Definition

noun
ionosphere

Examples

  • 电离层。
    Tài yáng huó dòng huì yǐng xiǎng diàn lí céng.
    Solar activity affects the ionosphere.
  • 电离层。
    Kē xué jiā tōng guò wèi xīng yán jiū diàn lí céng de biàn huà.
    Scientists study changes in the ionosphere via satellites.
  • 电离层。
    diàn lí céng Duì quán qiú tōng xìn fēi cháng guān jiàn.
    The ionosphere is critical for global communication.

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.

电离ionization
电diànelectricity离líseparate
偏正Modifier + head

电离 ionization and 层 layer combine for the ionosphere.

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.

This origin belongs to the traditional form 電; 电 is its simplified writing.

Meaning part形符xíngfú
雨雨yǔrain
Sound part声符shēngfú
申
申shēn電diàn
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

For the traditional form 電, 雨 (rain) sits with 申, read shēn and meaning lightning.

Open 电 →

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 離; 离 is its simplified writing.

Meaning part形符xíngfú
隹隹zhuībird
Sound part声符shēngfú
离
离lí離lí
Same sound today

The traditional form 離 pairs 隹, a bird, with the sound part 离; the simplified 离 is a shorthand. This form first wrote a black-naped oriole, and the sound was borrowed for 'leave'.

Open 离 →

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 層; 层 is its simplified writing.

Meaning part形符xíngfú
Sound part声符shēngfú
曾
曾céng層céng
Same sound today

The traditional form 層 uses 尸 for the meaning and 曾 for the sound; the simplified 层 is a later abbreviation.

Open 层 →

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