- millimeter astronomy
- millimeter radiation
- millimeter wave
- millimeter-wave
- Millimeter-wave and Submillimeter-wave Astronomy
- millimeter-wave astronomy
- millimeter wave communication
- millimeter wave imaging
- millimeter-wave observatory
- millimeter wave propagation
- millimeter wave radar
- millimeter wave radar guidance
- millimeter-wave radio astronomy
- millimeter-wave radio telescope
- millimeter waves
- millimeter waves and submillimeter wave
- millimeter wave scanner
- millimeter wave seeker
- millimeter-wave spectrum
- Millimeter-Wave Telescope
- millimeter-wave telescope
- millimeter wave vacuum electronic device
- millimicrosecond
- millimolar
- millimole