脑电波 (nǎo diàn bō) — brain wave; EEG signal

Definition

noun
brain waveEEG signal
Measure word ·

Examples

  • 脑电波
    Yī shēng tōng guò fēn xī nǎo diàn bō lái pàn duàn shuì mián zhì liàng.
    Doctors analyze brain waves to assess sleep quality.
  • 脑电波
    Tā de nǎo diàn bō xiǎn shì yì cháng, xū yào jìn yí bù jiǎn chá.
    His brain waves show abnormalities and require further examination.
  • 脑电波
    Kē xué jiā lì yòng nǎo diàn bō yán jiū rén lèi sī wéi huó dòng.
    Scientists use brain waves to study human thought activity.

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.

脑电brain electricity
nǎobraindiànelectricity
偏正Modifier + head
wave

脑电 means brain electricity and 波 means wave, so it names the electrical waves of the brain.

Characters in this word

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

This origin belongs to the traditional form 腦; 脑 is its simplified writing.

  • chuānhair
  • xìnhead; fontanel

In the traditional form 腦, the older part 匕 was replaced by a flesh part, while 巛 (hair) and 囟 (head; fontanel) stayed. The simplified 脑 is a later abbreviation.

Open 脑 →

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
rain
Sound part声符shēngfú
shēndiàn
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.

Meaning part形符xíngfú
Written in full asshuǐwater
Sound part声符shēngfú
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The left side 氵 is water, and the right side 皮 gives the sound.

Open 波 →

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