A very large amount of water that is located in one place or is moving, such as in an ocean, a large lake, or during a flood.
example
Die gewaltigen Wassermassen des Hochwassers überfluteten die ganze Stadt.
The enormous masses of water from the flood inundated the entire city.
Usage tips
Word composition
The word is a simple compound made up of 'Wasser' (water) and 'Masse' (mass). It literally describes a large, indefinite amount of water.
EXAMPLE
Die Feuerwehr kämpfte gegen die unkontrollierbaren Wassermassen.
The fire department fought against the uncontrollable masses of water.
Productive pattern
The base word '-masse' (-mass) is often used to describe a large, often unmanageable amount of something. Other examples of this pattern are 'Menschenmassen' (crowds of people), 'Schneemassen' (masses of snow), or 'Erdmassen' (masses of earth).
EXAMPLE
Die Schneemassen blockierten die Straßen in den Bergen.
The masses of snow blocked the roads in the mountains.
Typical collocations
The word is very often used in the plural ('Wassermassen', masses of water), especially in the context of natural disasters such as floods or tsunamis. Typical adjectives are 'gewaltig' (enormous), 'enorm' (huge), or 'riesig' (gigantic).
EXAMPLE
Gewaltige Wassermassen strömten durch das Tal.
Enormous masses of water rushed through the valley.
Compare with
confusable
Wassermasse vs Gewässer
body of water
'Gewässer' and 'Wassermasse' both refer to a lot of water in nature. 'Gewässer' is a neutral general term for places with water, for example a lake, river, pond, or sea. 'Wassermasse', on the other hand, emphasizes the large amount or force of the water, especially with the sea, a flood, or flooding. The words can be confused because both describe water. If you are naming the place or type, 'Gewässer' is more natural. If the amount or movement is impressive or dangerous, 'Wassermasse' fits better.
Wassermasse
Nach dem starken Regen drückte eine große Wassermasse gegen die Brücke.
After the heavy rain, a large mass of water pressed against the bridge.
Gewässer
In diesem Gewässer darf man nicht schwimmen, weil es unter Naturschutz steht.
You are not allowed to swim in this body of water because it is protected as a nature reserve.