Inducer (noun)

A substance or agent that causes or brings about a specific effect or change; a stimulus that triggers a response.

Origin:

Inducer is derived from the verb "induce" which means "to bring about or cause something to happen.".

Examples:

1. The inducer protein binds to the operator site and activates transcription of the gene.
2. The drug is an inducer of the enzyme responsible for metabolizing the medication.
3. The hormone is a natural inducer of labor.
4. The inducer was added to the culture medium to induce the production of the protein.
5. The inducer is used to trigger the flowering in the plant.