| Subject | English | Russian |
| Gruzovik, inf. | reduce by half | уполовинить |
| gen. | reduce by half | сокращать наполовину |
| gen. | reduce by half | уменьшать наполовину |
| Gruzovik, inf. | reduce by half | ополовинивать (impf of ополовинить) |
| math. | reduce by half | уменьшать ... вдвое |
| IT | reduce by half | уменьшать в два раза |
| Gruzovik, inf. | reduce by half | ополовинить (pf of ополовинивать) |
| gen. | reduce by half | сокращать вдвое |
| Gruzovik, inf. | reduce by half | споловинить |
| math. | reduce by one half | уменьшить вполовину |
| gen. | reduce the amount by one half | уменьшать количество на половину (the party by half the number, the price by 10 per cent, the journey to A. by one and a half days, etc., и т.д.) |
| gen. | reduce the amount by one half | сокращать количество на половину (the party by half the number, the price by 10 per cent, the journey to A. by one and a half days, etc., и т.д.) |