grindstone

• Sustantivo que designa una piedra circular giratoria usada para afilar, dar forma o pulir herramientas y objetos metálicos, ya sea accionada manualmente o por motor.

A noun referring to a rotating stone wheel used for sharpening, shaping, or smoothing tools and metal objects.

1. Sharpening toolB2formal

   A revolving stone wheel used for sharpening, shaping, or polishing tools and metal objects.

   Muela de afilar

   • The blacksmith used a grindstone to sharpen the axe.
   • He carefully pressed the blade against the grindstone.
   • The old grindstone in the workshop was still functional.

   Sinónimosemery wheelgrinding wheel

2. Hard work (idiomatic)B2informal

   Used in the idiom 'keep your nose to the grindstone', meaning to work hard and continuously.

   trabajo duro continuo

   • She kept her nose to the grindstone to finish the project on time.
   • If you want to succeed, you have to put your nose to the grindstone.
   • He's been at the grindstone all week preparing for the exam.

   Antónimosidlenessleisureplayrestsloth