grinder

• Sustantivo con varios significados: un tipo de sándwich grande en un bollo alargado; un diente molar usado para masticar; un mecanismo que muele o procesa materiales; o una máquina para pulir metal.

A noun with multiple meanings: a type of large sandwich on a long roll; a molar tooth used for grinding; machinery that crushes or processes materials; or a machine tool that polishes metal.

1. Large SandwichA2informalamericanculinary

   A substantial sandwich made with a long crusty roll sliced lengthwise, filled with meats, cheese, and vegetables such as tomato and onion, often with condiments. Different names exist across the United States.

   Bocadillo grande

   • I ordered a turkey grinder with lettuce and mayo.
   • He ate a foot-long grinder for lunch.
   • In New England, they call this a grinder, not a sub.
   • The deli makes the best grinders in town.

   Sinónimosbomberherohoagiesubsubmarinetorpedowedge

2. Molar ToothB1formalmedical

   A large grinding tooth with a broad surface, located behind the premolars, used for chewing and crushing food.

   Muela

   • The dentist said my lower grinder needs a filling.
   • Humans have twelve grinders in total.
   • She felt pain in her back grinder when chewing.
   • The grinder teeth are essential for breaking down tough food.

   Sinónimosmolar

3. Grinding MachineB2formaltechnical

   A machine that processes materials by crushing, grinding, or pulverizing them into smaller pieces or powder.

   Máquina trituradora

   • The industrial grinder reduced the ore to fine powder.
   • They used a meat grinder to make sausages.
   • The coffee grinder produced a consistent grind.
   • The stone grinder operates at high speed.

   Sinónimoscrushermillmuller

4. Metalworking ToolB2formaltechnical

   A machine tool that uses an abrasive wheel to polish or sharpen metal surfaces or remove material.

   Rectificadora

   • The grinder cleaned the welds on the metal frame.
   • He used a bench grinder to sharpen the chisels.
   • Angle grinders are common in metal fabrication.
   • Always wear safety goggles when operating a grinder.