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单词 myriametric
释义

myriametricn.

Brit. /ˌmɪrɪəˈmɛtrɪk/, U.S. /ˌmɪriəˈmɛtrɪk/
Origin: Formed within English, by derivation. Etymons: myriametre n., -ic suffix.
Etymology: < myriametre n. + -ic suffix, after metric adj.2
Radio and Telecommunications.
Designating or relating to radio waves having a wavelength of between 10 and 100 kilometres.
ΚΠ
1943 Gloss. Terms Telecomm. (B.S.I.) 64 Radio-waves are classified as follows:..According to wavelength, in metres. Myriametric above 10 000 [etc.].
1972 H. W. Hellyer Radio Technician's Bench Man. i. 1 The actual wavelength and frequency of the signals used for radio and television vary from the Very Low Frequency band of Myriametric waves, below 30,000Hz (30 kHz), to the Extremely High Frequency Band of Millimetric waves.
1992 S. P. Maran Astron. & Astrophysics Encycl. 537/2 This type of radiation often consists of many narrowband emission lines that sometimes merge into an essentially continuous spectrum that has been called by various names, including ‘continuum radiation’, ‘myriametric radiation’, [etc.].
This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022).
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n.1943
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