15-letter words containing g, u, l, y
- utility program — system software used to perform standard operations, as sorting data or copying data from one file to another, for application programs or other system software.
- young's modulus — a coefficient of elasticity of a substance, expressing the ratio between a stress that acts to change the length of a body and the fractional change in length caused by this force.
- zygophyllaceous — belonging to the Zygophyllaceae, the caltrop family of plants.