verb🔗ShareTo encourage development or induce increased activity; to stimulate."The new school program activated students' interest in science. "actionprocessenergyfunctiontechnologyChat with AIVocabulary GamePractice Reading
verb🔗ShareTo put a device, mechanism (alarm etc.) or system into action or motion; to trigger, to actuate, to set off, to enable."The teacher activated the projector to show the class a video. "technologyelectronicsdevicemachineactionsystemChat with AIVocabulary GamePractice Reading
verb🔗ShareTo render more reactive; excite."Adding salt to the water will activate the yeast, helping the bread rise. "energyfunctiontechnologyactionphysiologybiologychemistryphysicsprocessChat with AIVocabulary GamePractice Reading
verb🔗ShareTo render a molecule reactive, active, or effective in performing its function."The sunlight helps activate Vitamin D in your skin. "chemistrybiochemistrybiologyprocessfunctionmedicinescienceChat with AIVocabulary GamePractice Reading
verb🔗ShareTo render a substance radioactive."The scientists used a neutron beam to activate the silver sample, making it briefly radioactive for their experiment. "energyphysicschemistrysubstancescienceChat with AIVocabulary GamePractice Reading
verb🔗ShareTo hasten a chemical reaction, especially by heating."The scientist activated the catalyst to speed up the chemical reaction in the lab. "chemistryenergyscienceprocessactionChat with AIVocabulary GamePractice Reading
verb🔗ShareTo remove the limitations of demoware by providing a license; to unlock."After entering the license key, you need to activate the software to unlock all its features. "technologycomputingChat with AIVocabulary GamePractice Reading
verb🔗ShareTo aerate in order to aid decomposition of organic matter."The farmer activated the compost bin to help speed up the decomposition of the vegetable scraps. "environmentbiologyagriculturescienceChat with AIVocabulary GamePractice Reading
verb🔗ShareTo organize or create a military unit or station."The army plans to activate a new base near the border next year. "militarywargovernmentorganizationunitChat with AIVocabulary GamePractice Reading
verb🔗ShareTo bring a player back after an injury."The baseball team will activate their star pitcher from the injured list tomorrow. "sportmedicineChat with AIVocabulary GamePractice Reading