Hypersonic Meaning

/hˌaɪpəˈrsɑnɪk/
B2

Definition, CEFR level B2, pronunciation, examples, and quiz.

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adjOf a speed, equal to, or greater than, or capable of achieving, five times the speed of sound.

adjOf a speed, far enough above the speed of sound as to cause significant differences in behaviour due to chemical reactions or dissociation of the air.

The United States has no defense against hypersonic missiles.
The United States has no defense against hypersonic weapons.
CEFR Practice Quiz
The military successfully tested a new missile that can travel at ____ speeds.
CEFR Practice Quiz (Alternate)
The experimental aircraft reached ____ speeds, traveling much faster than the speed of sound.

Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Hellenic *hupér Ancient Greek ῠ̔πέρ (hŭpér) Ancient Greek ῠ̔περ- (hŭper-)der. English hyper- Proto-Indo-European *swenh₂- Proto-Indo-European *swónh₂os Latin sonus Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English sonic English hypersonic From hyper- + sonic. Doublet of supersonic.

"He said there was worry among intelligence and military officials that China or Russia could be experimenting with hypersonic technology." — 2021 June 3, Julian E. Barnes, Helene Cooper, “U.S. Finds No Evidence of Alien Technology in Flying Objects, but Can’t Rule It Out, Either”, in The New York Times, →ISSN, archived from the original on 23 Mar 2022:

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CEFR Practice Quiz
The military successfully tested a new missile that can travel at ____ speeds.
CEFR Practice Quiz (Alternate)
The experimental aircraft reached ____ speeds, traveling much faster than the speed of sound.

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