1. to treat or combine with phosphate; to convert into a phosphate compound
Usage: technical; chemistry; third-person singular present tense of phosphatize

Examples

• The factory phosphatizes the metal surface to improve corrosion resistance.
• This process phosphatizes the steel before painting to ensure better adhesion.
• The chemist phosphatizes the mineral sample for analysis.
• Industrial coating systems often phosphatize substrates as a pretreatment step.