| Subject | English | Japanese |
| phys. | double precision | 二倍精度 (にばい・せいど) |
| phys. | double precision | 倍精度 (ばいせいど) |
| comp. | n double precision floating point | 倍精度浮動小数点 |
| phys. | double precision number | 倍精度数 (ばいせいど・すう) |
| comp., MS | double-precision | 倍精度 (Characteristic of a number stored in twice the amount (two words; typically 8 bytes) of computer memory that is required for storing a less precise (single-precision) number. Commonly handled by a computer in floating-point form, ばいせいど) |
| comp., MS | double-precision floating-point format | 倍精度浮動小数点数形式 (A computer number format that occupies 8 bytes (64 bits) in computer memory and represents a wide dynamic range of values by using floating point) |
| gen. | n extended double-precision | 拡張倍精度 |