ionosonden.
/ʌɪˈɒnəsɒnd/, U.S. /aɪˈɑnəˌsɑnd/ Atmospheric Physics.
An instrument for obtaining information about the ionosphere by transmitting a succession of radio pulses into it at different frequencies and recording and analysing their echoes.
ΚΠ
1952 Monthly Notices Royal Astron. Soc. 112 328 During the solar eclipse on March 7 additional recordings were taken by the Lincoln ionosonde.
1963 Times 19 June 7/7 The device, known as an Ionosonde,..is being demonstrated tomorrow to Commonwealth representatives, the Services and other organizations interested in long-distance radio communication.
1987 New Scientist 27 Aug. 71/2 (advt.) The data are recorded in Antarctica from an extensive experimental suite, including a digital ionosonde, known as the Advanced Ionospheric Sounder.
2009 Sci. Let. (Nexis) 30 June 1467 Nocturnal ionospheric height variations were analyzed along the meridian of 100 degrees E by using ionosonde data.
This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).
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n.1952- phosphorus trihydride
- phosphorus trioxide
- phosphorus-containing
- phosphoruscontaining
- phosphoruses
- phosphoryl
- phosphorylase
- phosphorylases
- phosphorylate
- phosphorylated
- phosphorylates
- phosphorylating
- phosphorylation
- phosphorylations
- phosphorylative
- phosphoryls
- phosphosiderite
- phosphosilicate
- phosphotransferase
- phosphotransferase system
- phosphotungstate
- phosphotungstic
- phosphotungstic acid
- phosphovinic
- phosphovinic acid