| NOUN | artifact | radiometer | meter to detect and measure radiant energy (electromagnetic or acoustic) |
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| Meaning | meter to detect and measure radiant energy (electromagnetic or acoustic). | |
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| Narrower | Crookes radiometer | electromagnetic radiometer consisting of a small paddlewheel that rotates when placed in daylight |
| Rayleigh disk | An acoustic radiometer consisting of a light disk suspended from a quartz thread | |
| radiomicrometer | radiometer that is extremely sensitive | |
| Broader | meter | Any of various measuring instruments for measuring a quantity |
| Spanish | radiómetro | |
| Catalan | radiòmetre | |
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