noun a person or thing that comes before another of the same kind; a forerunner
adjective serving as a preliminary or prelude to something else
In medicine, a precursor can refer to a substance from which another substance is formed.
In technology, a precursor can refer to an earlier version or prototype of a product or technology.
A precursor is a compound that participates in a chemical reaction that produces another compound.
In biology, a precursor is a cell or substance from which another similar cell or substance is formed.
In the context of writing, a precursor refers to an earlier work or text that serves as a foundation or inspiration for a new piece of writing. Writers may often reference or draw upon precursors to develop their own ideas and themes.
Psychologists may use the term precursor to describe early signs or symptoms that predict the development of a particular mental health condition or behavior. Identifying precursors can help psychologists intervene early and prevent more serious issues from arising.
Chemists use the term precursor to describe a compound or substance that is used as a starting material in a chemical reaction to produce a desired end product. Precursors are often carefully selected for their reactivity and compatibility with the desired reaction conditions.
Historians may use the term precursor to refer to events, individuals, or movements that paved the way for a significant historical development or change. Identifying precursors can help historians trace the roots of important events and understand their broader historical context.