Hypersonic Meaning
/hˌaɪpəˈrsɑnɪk/Definition, CEFR level B2, pronunciation, examples, and quiz.
Definition
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.
Sentence Examples
Word Origin & History
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.