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Lesson 7
Review - Six Syllables
| Term | Definition |
|---|---|
| contraction | action of pulling (in) with |
| expansion | action of spreading out |
| fragmentation | act of being broken or result of breking |
| chemical | relating to the properties of substances |
| mechanical | relating to or like a machine |
| pollutant | (having the) quality of making unclean |
| thermal | relating to heat |
| erosion | action of wearing out |