nounπShareThe unit of work or energy, being the amount of work done by a force of one dyne applied through a distance of one centimeter. Equal to 10β7 joules."The physics student calculated the energy needed for the toy car to move forward, finding it required just a tiny fraction of an erg. "energyphysicsunitworkscienceChat with AIVocabulary GamePractice Reading
nounπShareA large desert region of sand dunes with little or no vegetation, especially in the Sahara."The Sahara Desert contains several ergs, vast seas of sand stretching for hundreds of kilometers. "geographyenvironmentnaturegeologyworldareaChat with AIVocabulary GamePractice Reading
nounπShareAn ergometer."The athlete used the erg to measure his rowing power during training. "medicinephysiologysportmachinedeviceenergyscienceChat with AIVocabulary GamePractice Reading
verbπShareTo use an ergometer."I erg every morning."sportmachineactionChat with AIVocabulary GamePractice Reading
