材 (cái) means “In “材料”: (raw) material”. The 材 stroke order has 7 strokes; the animation above shows them one at a time. Its radical is 木. To practise how to write 材, open writing practice; to hear how to pronounce 材, use the pronunciation trainer.
Words with 材
材料 — cái liào, (raw) material; data; (fig.) person who has the potential to do the job
材料 — cái liào, (raw) material; data; (fig.) person who has the potential to do the job