большая часть

I

USAGE: бóльшая часть

For the most part these theories can be tested by ...

Semiconductors will occupy our attention in the bulk of this work.

Most of the power is lost by radiation.

During most of the Precambrian period ...

II

USAGE: большáя часть

см. тж. значительная часть

Some hyperiids spend a large share of their lives encased within medusas.

Источник: Русско-английский научно-технический словарь на Gufo.me