单词	pyrophotometer
释义	pyrophotometer noun py·​ro·​photometer "+ : an optical pyrometer in which light from an incandescent body whose temperature is to be measured is passed through ruby glass and the red rays thus isolated are compared with those similarly received from a standard flame compare pyrometer Word History Etymology pyr- + photometer
随便看	hydromedusas hydromedusoid hydromedusoids hydromels hydrometallurgical hydrometallurgies hydrometallurgist hydrometallurgists hydrometallurgy hydrometamorphism hydrometeor hydrometeorological hydrometeorologies hydrometeorologist hydrometeorologists hydrometeorology hydrometeors hydrometer hydrometers hydrometric hydrometrid Hydrometridae hydrometries hydromica hydromicaceous

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