S1U1N1G2L1A1S1S1
9 points
SUNGLASS is validvalid
a lens for concentrating the sun's rays in order to produce heat [n SUNGLASSES]
a lens for concentrating the suns's rays for heat [n -ES]
a lens for concentrating the sun's rays in order to produce heat [n SUNGLASSES]
a lens for concentrating the suns's rays for heat [n -ES]