1 . a person whose job relates to the practical use of machines or science in industry, medicine, etc.

• medical/X-ray/laboratory technicians
• They hired a technician to help maintain the office’s computers.
• She is the lighting/sound technician for the play.

2 . somewhat formal : someone who has mastered the basic techniques or skills in a sport, an art, etc.

• As a painter, he was more than just a technician; he was a creative genius.