Rainfall occurs throughout the year but is significantly heavier between April and August.

Actually, I'd expected it to be significantly heavier than that.

If the lower ball is significantly heavier than the upper one, the lighter ball will fly back very quickly and bounce much higher.

Most defensive ends in three-man fronts are significantly heavier.

Three weeks after hatching, male chicks are significantly heavier than the females.

All American Nightmare is significantly heavier in sound than either of the band's other two records.

Within about 5-12 generations, the weed evolves to produce significantly heavier seeds than its rural relatives.

This made the aircraft significantly heavier and contributed to the high cost of a flight.

Television licence fee evaders are to face significantly heavier fines but will get a last chance to avoid a court appearance.

It cannot negotiate stairs, and is significantly heavier and more difficult to load into a vehicle than crutches.