1. a person or thing that causes something abstract or unclear to become clear, definite, or concrete
2. a vessel or apparatus used in chemistry or industry to promote or control crystallization
Usage: technical; chemistry

Examples

• The meeting served as a crystallizer for the team's vague ideas into a concrete action plan.
• Her clear explanation was the crystallizer that helped everyone understand the complex theory.
• The chemist used a specialized crystallizer to grow large, uniform salt crystals.
• That single conversation became the crystallizer for his decision to change careers.
• The laboratory crystallizer maintained precise temperature control during the experiment.
• Sometimes a personal crisis can be a crystallizer for positive life changes.