f2 layer

F layer

F f

Transcription

- US Pronunciation
- US IPA
- [ef too]
- /ˈɛf ˈtu/

- US Pronunciation
- US IPA
- [ef too]
- /ˈɛf ˈtu/

Definition of f2 layer words

noun f2 layer the highest of the radio-reflective ionospheric layers, beginning at an altitude of about 80 miles (130 km) and consisting of two parts, the lower part (F layer) being detectable in the daytime only, the higher (F layer or Appleton layer) being constant and constituting the ionospheric layer most favorable for long-range radio communication. 1

Just one definition for f2 layer

Information block about the term

Origin of f2 layer

First appearance:

before 1925

One of the 11% newest English words

First recorded in 1925-30

Historical Comparancy

Parts of speech for F2 layer

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of F2 layer

f2 layer popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 43% of English native speakers know the meaning and use word.

According to our data about 50% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.