音速 (yīn sù) — speed of sound

Definition

noun
speed of sound

Examples

  • 音速
    Zhè jià fēi jī de sù dù yǐ jīng chāo guò le yīn sù.
    This aircraft's speed has already exceeded the speed of sound.
  • 音速340
    yīn sù Zài kōng qì zhōng dà yuē shì měi miǎo 340 mǐ.
    The speed of sound in air is about 340 meters per second.
  • 音速
    Kē xué jiā zhèng zài yán jiū rú hé tū pò yīn sù.
    Scientists are researching how to break the sound barrier.

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.

yīnsound
speed

音 means sound and 速 means speed; together they name the speed at which sound travels.

Characters in this word

An abstract idea shown by a mark or a diagram rather than by a picture of an object.

音 adds a short stroke that seals the mouth-like part, showing a covered or muffled sound rather than speech.

Open 音 →

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

速 pairs 辵, the walking part, with 束, which is used for its sound; the walking part fits the meaning of moving fast.

Open 速 →

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