"decrescendo" in the noun sense
1. decrescendo, diminuendo
music) a gradual decrease in loudness
"decrescendo" in the verb sense
1. decrescendo
grow quieter
"The music decrescendoes here"
"decrescendo" in the adjective sense
1. decrescendo, diminuendo
music) gradually decreasing in volume
Source: WordNet® (An amazing lexical database of English)
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