noun Download 🔗Share A compound, element, or isotope used to track the progress or history of a natural process. Examples : "Scientists used a radioactive tracer to track the movement of water through the soil. " compound element chemistry biology biochemistry medicine science process Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A round of ammunition for a firearm that contains magnesium or another flammable substance arranged such that it will burn and produce a visible trail when fired in the dark. Examples : "The hunter used a tracer round to mark his target in the dark forest. " military weapon material Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The act or state of tracking or investigating something. Examples : "The police investigation is a tracer of the thief's movements. " action process Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A request to trace the movements of a person or an object, such as a shipment. Examples : "The shipping company issued a tracer for the lost package. " communication business service technology industry Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A person who traces something. Examples : "The art student became a skilled tracer, able to perfectly copy the intricate lines of the master drawing. " person job Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A device or instrument used to assist in making tracings. Examples : "The art student used a special tracer to copy the intricate design onto her canvas. " device technology machine Chat with AIVocabulary GamePractice Reading
