| Subject | English | Norwegian (Nynorsk) |
| comp., MS | coefficient of determination | determinasjonskoeffisient (A number from 0 to 1 that reveals how closely the estimated values for the trendline correspond to your actual data. A trendline is most reliable when its R-squared value is at or near 1) |
| light. | coefficient of luminous intensity of a retroreflector | lysstyrkekoeffisient |
| light. | coefficient of retroreflected luminance of a plane retroreflecting surface | retroluminanskoeffisient |
| light. | coefficient of retroreflection of a plane retroreflecting surface | retrorefleksjonskoeffisient |
| light. | coefficient of utilization of an installation, for a reference surface | belysningsandelsfaktor |