English Meaning & Definitions
The layer of the Earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves.
- “Shortwave radio signals can travel long distances by bouncing off the ionosphere.”
- “Solar flares can cause significant disturbances in the ionosphere, disrupting satellite communications.”
English Synonyms & Near Equivalents
English Antonyms & Opposites
Comprehensive Thesaurus Breakdown
Compare formal, informal, literary synonyms and register nuances for “ionosphere”.
Coined in the early 20th century (circa 1926) by Scottish physicist Robert Watson-Watt. It is a compound of the Greek 'ion' (meaning 'going', the present participle of 'ienai') and 'sphaira' (meaning 'sphere' or 'ball'). The term refers to the region of the atmosphere that is ionized by solar radiation.
Think of 'ION' as 'I-ON', as in the layer is 'turned on' by the sun's radiation, creating ions.
Frequently Asked Questions About “ionosphere”
1. What is the meaning of “ionosphere” in English?
In English, ionosphere (noun) is defined as: “The layer of the Earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves.”.
2. How do you use “ionosphere” in a sentence?
“Shortwave radio signals can travel long distances by bouncing off the ionosphere.”
3. What are English synonyms of “ionosphere”?
4. What is the etymology and word origin of “ionosphere”?
Coined in the early 20th century (circa 1926) by Scottish physicist Robert Watson-Watt. It is a compound of the Greek 'ion' (meaning 'going', the present participle of 'ienai') and 'sphaira' (meaning 'sphere' or 'ball'). The term refers to the region of the atmosphere that is ionized by solar radiation.
🇬🇧More English Words to English
View all English words →The base unit of time in the International System of Units (SI), equal to the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.
A specific duration of time equal to one hour and forty-six minutes and twelve seconds.
The cardinal number equal to one thousand million (1,000,000,000), expressed in scientific notation as 10^9.
A specific duration of time equivalent to one hour and forty-six minutes.