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cm
has definitions from the field of chemistry
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[ noun ] a metric unit of length equal to one hundredth of a meter
Synonyms Used in print (Cornell H. Mayer, "Radio Emission of the Moon...)The observed intensity of the radio_emission of Venus is much higher than the expected thermal intensity , although the spectrum indicated by measurements at wave_lengths near 3 cm and 10 cm is like that of a black_body at about 600 ` K . The observed intensity of the radio_emission of Venus is much higher than the expected thermal intensity , although the spectrum indicated by measurements at wave_lengths near 3 cm and 10 cm is like that of a black_body at about 600 ` K . Mars has been observed twice at about 3 - cm wave_length , and the intensity of the observed radiation is in reasonable agreement with the thermal radiation which might be predicted on the basis of the known temperature of Mars . The study of the radio_emission of the moon and planets began with the detection of the thermal radiation of the moon at 1.25 - cm wave_length by Dicke and Beringer ( 1946 ) . This was followed by a comprehensive series of observations of the 1.25 - cm emission of the moon over three lunar cycles by Piddington and Minnett ( 1949 ) . Related terms |
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[ noun ] (chemistry) a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei
Synonyms Related terms |
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