1. becoming actual or real; taking physical form
Usage: present participle of materialize
2. appearing unexpectedly or as if from nowhere
Usage: present participle of materialize

Examples

• The ghost was materializing slowly in the corner of the room.
• Her dreams of becoming a doctor are finally materializing.
• The expected funding for the project is not materializing.
• He has a habit of materializing at the most inconvenient times.
• The promised help never ended up materializing.
• Strange shapes were materializing in the fog.
• Their plans for expansion are materializing ahead of schedule.