| Subject | English | Russian |
| idiom. | soft as a baby's bottom | очень гладкий, нежный на ощупь (*Also: as ~.) This cloth is as soft as a baby's bottom. The kitten's fur was as soft as down. Your touch is soft as silk. This lotion will make your skin soft as velvet. Victorian) |
| construct. | soft bottom | мягкая почва |
| mining. | soft bottom | слабая подошва |
| fish.farm. | soft bottom | мягкое дно (dimock) |
| road.wrk. | soft bottom | слабый грунт (основания, дна водотока) |
| geol. | soft bottom | мягкая подошва |
| geophys. | soft-bottom area | участок рыхлых донных отложений |
| nautic. | soft-bottom core | колонка мягкого грунта |