| microwave | has definition An electromagnetic wave (in the radio region just beyond the infrared) with a wavelength of from about 1 mm to 30 cm (about 109-1011 Hz). |  |
| has definition An electromagnetic wave with a wavelength between one millimeter and 30 centimeters, or sometimes one meter. | |
| has definition Radiation in the electromagnetic spectrum between infrared and radio waves. This range has wavelengths of between about 20 cm and about 1 mm. Radiation of this type was detected as background radiation. | |
| has definition Radio radiation with wavelengths of about 10-4 to 1 meter, equal to 109 to 1013 hertz. | |
| is a kind of photon | |
| photon | has spin 1 | |
| has synonym electromagnetic radiation | |
| carries the force electromagnetism | |
| massless particle | has mass 0 | |
| neutral particle | is not accelerated by electric or magnetic fields | |
| has charge 0 | |
| wave | has propagation direction | |
| particle | obeys uncertainty principle | |
| has frequency inversely proportional to the wavelength | |
| has wavelength inversely proportional to its momentum | |
| boson | has quantum behavior Bose-Einstein statistics | |
| harmonic motion | has amplitude | |
| has period | |
| physical process | has domain physics | |
| physical object | has location or center of gravity | |
| has angular momentum | |
| has velocity | |
| has momentum | |
| has temperature | |
| has volume | |
| has extent | |
| has material | |
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