Dansk ordbog
Rejseparlør
Rimordbog
Krydsogtværsordbog
English Dictionary
Sprogforum
English
Dansk (Danish)
Norsk (Norwegian)
Recent queries
Puffed wheat
Polygala lutea
Oxen
Mushroom sauce
Inger
Bream
Blackbody
Cecil Frank Powell
Numen
English dictionary
Hint: Wildcards can be used multiple times in a query.
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
.
2026
onlineordbog.dk