Heaviside layer

Also found in: Thesaurus, Encyclopedia, Wikipedia.

Heav·i·side layer


[After Oliver Heaviside (1850-1925), British physicist.]

Heaviside layer

(Physical Geography) the E region of the ionosphere. See E region
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Heaviside layer - a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
ionosphere - the outer region of the Earth's atmosphere; contains a high concentration of free electrons
References in periodicals archive ?
It tells the story of a tribe of cats called the Jellicles and the night they make what is known as 'the Jellicle choice', where they decide which cat will ascend to the Heaviside Layer and come back to a new life.
Before Grizabella travelled to the Heaviside Layer to be reborn she sang: "Touch me, it's so easy to leave me, all alone with the memory of my days in the sun.
e action unfolds on one special night of the year when all Jellicle cats meet at the Jellicle Ball where Old Deuteronomy, their wise and benevolent leader, makes the Jellicle choice and announces which of them will go up to the heaviside layer and be reborn into a whole new Jellicle life.