clack

• Som agudo e seco produzido quando dois objetos duros se chocam, geralmente repetido; também um tipo de válvula simples com dobradiça de um lado que permite o fluxo de líquido em apenas uma direção.

A noun referring to a sharp, abrupt noise made when two hard objects strike each other, often repeated; also a type of simple valve with a hinge on one side that allows fluid to flow in only one direction.

1. Sharp repetitive soundB2informal

   A sharp, abrupt noise made when hard objects strike each other, often repeated.

   Estalo

   • The clack of the train wheels on the tracks was rhythmic.
   • She heard the clack of high heels on the marble floor.
   • The clack of the typewriter keys filled the room.

   Sinônimosclangclatterclickcrackrattlesnaptaptick

   Antônimosquietsilencestillness

2. One-way valveC1formaltechnical

   A simple mechanical valve with a hinge on one side that allows fluid to flow in only one direction.

   Válvula unidirecional

   • The pump uses a clack to prevent backflow of water.
   • Engineers installed a clack in the pipeline for safety.
   • The clack in the system needs regular maintenance.

• Verbo usado para descrever um som curto e seco, geralmente produzido pelo choque de objetos duros entre si, ou para designar conversa tagarela e ruidosa.

A verb used to describe a sharp, abrupt sound, often made by hard objects striking each other, or to chatter noisily.

1. Make a rattling soundB2formal

   To make a sharp, abrupt, rattling noise, like hard objects striking each other.

   Estalar

   • The old train wheels clacked against the tracks as it moved.
   • She clacked the wooden blocks together to get everyone's attention.
   • The typewriter keys clacked loudly in the quiet office.

   Sinônimosclangclankclatterclickcracklepoprattlesnap

   Antônimosquietsilencestill

2. Make a clucking soundB2informal

   To make a short, sharp sound like that of a hen or a bird.

   Emitir som de cacarejo

   • The hens clacked softly as they pecked at the grain.
   • He clacked his tongue in disapproval.
   • The bird clacked its beak against the window.

   Sinônimoscluck

3. Talk incessantly about trivial mattersC1informal

   To speak rapidly and continuously about unimportant or trivial things.

   Tagarelar

   • They clacked away about celebrity gossip for hours.
   • Stop clacking about nonsense and focus on the task.
   • The old women clacked over their tea, discussing the neighborhood news.

   Sinônimosbabbleblatherchattergabgabblejabbernatterprattletwaddleyammer