| the offspring of a zebra and a donkey. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| fiberglass (fī'bər-glās') Pronunciation Key
A material made up of very fine fibers of glass. Fiberglass is resistant to heat and fire and is used to make various products, such as building insulation and boat hulls. Because the fibers in fiberglass are capable of transmitting light around curves, fiberglass is an important component of fiber optics. |