1. In a widespread way
   "oxidation ponds are extensively used for sewage treatment in the Midwest"

See also: extensive

• recant
• recantation
• recap
• recapitulate
• recapitulation
• recapture
• recast
• recasting
• recce
• recco
• reccy
• recede
• receding
• receipt
• receipts
• receivable
• receivables
• receive
• received
• Received Pronunciation
• receiver
• receiver-creditor relation
• receivership
• receiving set
• receiving system