板块

板塊
bǎnkuài
  1. slab
  2. (geology) tectonic plate
  3. (fig.) sector (of the stock market or of industry)
  4. (economic) bloc

CEDICT

geology

Entry Composition

=1 板 bǎn
  1. board
  2. plank
  3. plate
  4. shutter
  5. table tennis bat
  6. clappers (music)
  7. accented beat in Chinese music
  8. hard
  9. stiff
  10. to stop smiling or look serious

classifier: 塊
=1 板 bǎn see 老板, boss
2 块 kuài
  1. lump; chunk; piece
  2. classifier for pieces of cloth, cake, soap etc
  3. (coll.) classifier for money and currency units