1. the action of making something three times as much or as many
2. a high-pitched singing voice, especially of a boy soprano
Usage: music

1. present participle of treble; making or becoming three times as much or as many

Examples

• The company is trebling its production capacity this year.
• Sales have been trebling every quarter since the product launch.
• The trebling of housing prices has made homeownership difficult.
• His trebling was praised by the choir director.
• The boy’s clear trebling voice filled the cathedral.
• They are trebling their investment in renewable energy.
• The trebling of the recipe will feed thirty people.