Dansk ordbog
Rejseparlør
Rimordbog
Krydsogtværsordbog
English Dictionary
Sprogforum
English
Dansk (Danish)
Norsk (Norwegian)
Recent queries
Woefulness
KY
Poignancy
Learner's dictionary
Plaintiveness
Poignance
Anticipate
Mournfulness
Sorrow
Bereavement
Sorrowfulness
Pleating
Sadness
Woe
Unhappiness
Birth control
Vibe
English dictionary
Hint: In most browsers you can lookup any word by double click it.
English
noun
:
sound barrier
1.
sound barrier
(phenomenon)
the increase in aerodynamic drag as an airplane approaches the speed of sound
Synonyms
sonic barrier
Broader (hypernym)
drag
,
retarding force
Based on WordNet 3.0 copyright © Princeton University.
Web design:
Orcapia v/Per Bang
. English edition:
Peter Jensen
.
2025
onlineordbog.dk