to encounter	to meet someone
to wear out	to damage as an effect of intense usage
to bend	to curve
to scrape	to remove top layer from sth
to rub	to press and and move backwards and forwards
fracture	the state when a bone is broken
resistant to	not wanting to accept something
suture	a stitch used to sew up a cut
to bear	to carry something
to dissolve	to be absorbed by a liquid
solute	a substance that has been dissolved in another substance
saturation	amount of substance in solution
solubility	a quality a substance has of being able to dissolve in another substance