| Subject | English | German |
| market., commun. | on-axis cross-polar discrimination | kreuzpolare Entkopplung in der Achsrichtung |
| life.sc. | polar axis | Polarachse |
| astr. | polar axis | Rektaszensionsachse |
| opt. | polar axis | Rektaszensionsachse (aligned parallel to the axis of rotation of the earth; motion about this axis is in right ascension or hour angle) |
| phys. | polar axis | Polachse |
| opt. | polar axis | Stundenachse (aligned parallel to the axis of rotation of the earth; motion about this axis is in right ascension or hour angle) |
| opt. | polar axis | Polachse (aligned parallel to the axis of rotation of the earth; motion about this axis is in right ascension or hour angle) |
| astr. | polar axis | Stundenachse |
| mineral. | polar axis | polare Achse |
| phys. | polar axis of the earth | Erdachse |