zhen3
fine and dense

strokes 16
radical
strokes after radical 10
范缜 范縝 fan4 zhen3
Fan Zhen (c. 450-c. 510), philosopher from Qi and Liang of the Southern dynasties, as atheist denying Buddhist teachings on karma and rebirth

缜密 縝密 zhen3 mi4
meticulous; careful; deliberate; delicate; fine (texture)

缜润 縝潤 zhen3 run4
fine and smooth

缜匝 縝匝 zhen3 za1
dense; fine (texture)