counter-drill

• Verbo raro ou técnico que significa perfurar em sentido contrário ou alargar um furo já existente, geralmente em mineração ou engenharia.

An obsolete verb meaning to drill in the opposite direction or to perform a counter-boring operation, typically in mining or engineering contexts.

1. Drill in an opposite directionC1formal

   To drill in a direction opposite to a previous or primary drilling operation, often used in engineering or construction to create a specific pattern or relieve stress.

   Perfurar em direção oposta

   • The engineer instructed the team to counter-drill the holes to prevent cracking.
   • They had to counter-drill the metal plate to ensure even distribution of force.
   • The process requires you to counter-drill at a precise angle to the original bore.