| Subject | English | Japanese |
| comp., MS | Bessel function | ベッセル関数 (A worksheet function that can be used to perform engineering calculations in Excel, Besseru-kansū) |
| phys. | Bessel function | べッセル関数 (Besseru-kansū) |
| tech. | Bessel function | ベッセル関数 (Besseru-kansū) |
| phys. | Bessel function of the first kind | 第一種ベッセル関数 (daiisshu-Besseru-kansū) |
| phys. | Bessel function of the second kind | 第二種ベッセル関数 (dainishu-Besseru-kansū) |
| phys. | modified Bessel function | 変形べッセル関数 (henkei-Besseru-kansū) |