
Home > Terms > English, UK (UE) > Appleton layer
Appleton layer
(1) The F layer in the ionosphere. It occurs in the general region between 150 and 300km above the ground. (2) The F2-layer in the ionosphere. It occurs at about 300km above the ground.
- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Earth science
- Category: Mapping science
- Company: American Congress on Surveying & Mapping
- Product:
- Acronym-Abbreviation:
Other Languages:
Member comments
Terms in the News
Featured Terms
phylum placozoa
Macroscopic, flattened marine animals, composed of ventral and dorsal epithelial layers enclosing ...
phylum cnidaria
Cnidarians. Hydras, hydroids, jellyfish, sea anemones, and corals. Free-swimming or sessile, with ...
share a term with millions
Share a term with millions of users around the world and increase your online visibility.Share a ...
oak
Genus native to the Northern Hemisphere with spirally arranged leaves, catkins for flowers and ...
Everest
The last but not least mount Everest. The Earth's highest mountain, with a peak at 8,848 metres ...
aglaonema
Genus of about 20 species of usually rhizomatous, evergreen perennials from tropical forest in Asia. ...
Robojelly
Robojelly is a hydrogen-powered robot desgined in the United States that moves through the water ...
Ferdinand Porsche
Ferdinand Porsche (3 September 1875 – 30 January 1951) was an Austrian-German automotive engineer ...
Marzieh Afkham
Marzieh Afkham, who is the country’s first foreign ministry spokeswoman, will head a mission in east ...
define1
Share a term with millions of users around the world and increase your online visibility.Share a ...
Contributor
Featured blossaries
rufaro9102
0
Terms
41
Blossaries
4
Followers
Zimbabwean Presidential Candidates 2013


anton.chausovskyy
0
Terms
25
Blossaries
4
Followers
The Biggest Lies in History


Browers Terms By Category
- Dating(35)
- Romantic love(13)
- Platonic love(2)
- Family love(1)
Love(51) Terms
- News(147)
- Radio & TV broadcasting equipment(126)
- TV equipment(9)
- Set top box(6)
- Radios & accessories(5)
- TV antenna(1)
Broadcasting & receiving(296) Terms
- Algorithms & data structures(1125)
- Cryptography(11)
Computer science(1136) Terms
- Mapping science(4042)
- Soil science(1654)
- Physical oceanography(1561)
- Geology(1407)
- Seismology(488)
- Remote sensing(446)
Earth science(10026) Terms
- Human evolution(1831)
- Evolution(562)
- General archaeology(328)
- Archaeology tools(11)
- Artifacts(8)
- Dig sites(4)