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🇨🇳Chinese Source WordCode: ZH

亚音速

Pronunciation / Transliteration: yà yīn sù

🇬🇧 Direct English Meaning:
Subsonic/ˈsʌbˌsɒn.ɪk/
adjectivenounCEFR C1 (Advanced)Top #14200 frequency
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🇨🇳 Example Sentence in Chinese:

"这架飞机以亚音速飞行。"

Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Relating to or flying at a speed less than the speed of sound.

    "The commercial airliner completed its journey at a steady subsonic speed."
As noun
  1. 1

    A subsonic aircraft or projectile.

    "Modern transport aircraft are typically subsonics designed for fuel efficiency."
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Thesaurus & Semantic Spectrum

Synonyms (1)
Antonyms & Contrasting Words (2)

Linguistic Origin & Historical Etymology

Coined in the 20th century, combining the Latin prefix 'sub-' (meaning beneath, under, or below) with 'sonic' (derived from the Latin 'sonus', meaning sound). It emerged during the rapid advancements in aviation and aerodynamics to describe speeds lower than the speed of sound.

Quick Vocabulary Retention Check

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Explore Nuanced Synonyms for "Subsonic"

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