grindstone

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

ruСуществительное, обозначающее вращающийся каменный круг, используемый для заточки, придания формы или шлифовки инструментов и металлических предметов.esSustantivo que designa una piedra circular giratoria usada para afilar, dar forma o pulir herramientas y objetos metálicos, ya sea accionada manualmente o por motor.frNom désignant un disque de pierre en rotation utilisé pour aiguiser, façonner ou polir des outils et des objets métalliques.deEin sich drehender Stein (Schleifstein), der zum Schärfen, Formen oder Schleifen von Werkzeugen und Metallgegenständen verwendet wird.ptSubstantivo que designa um disco de pedra giratório usado para afiar, dar forma ou polir ferramentas e objetos de metal.zh名词，指用于磨锐、成型或打磨工具及金属制品的旋转石轮。arاسم يدل على قرص حجري دوّار يُستخدم لشحذ الأدوات أو صقلها أو تسويتها أو طحنها.

1. Sharpening tool B2 formal

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

   • 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.

   ruТочильный каменьesMuela de afilarfrMeule à aiguiserdeSchleifsteinptPedra de amolarzh磨石arحجر الجلخ

   Synonyme: emery wheelgrinding wheel

2. Hard work (idiomatic) B2 informal

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

   • 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.

   ruУсердная работаestrabajo duro continuofrtravail acharnédeSchuftereiptTrabalho árduozh苦干arالعمل الشاق

   Antonyme: idlenessleisureplayrestsloth

• grindstones plural form
• grindstones' possessive plural form
• grindstone's possessive singular form