d layer
d lay·er
D d Transcription
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- US Pronunciation
- US IPA
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- [dee ley-er]
- /di ˈleɪ ər/
-
- US Pronunciation
- US IPA
-
- [dee ley-er]
- /di ˈleɪ ər/
Definitions of d layer words
- noun d layer the lowest area of the ionosphere, having increased ion density and existing only in the daytime: it begins at an altitude of about 70 km (c. 43 mi) and merges with the E layer 3
- noun d layer the lowest region of the ionosphere, characterized by mounting electron and ion density: exists, during the day only, from about 43 to 50 miles (70 to 80 km) altitude. 1
Information block about the term
Origin of d layer
First appearance:
before 1930 One of the 10% newest English words
First recorded in 1930-35
Historical Comparancy
Parts of speech for D layer
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
d layer popularity
A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 51% of English native speakers know the meaning and use word.
According to our data about 56% 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.
d layer usage trend in Literature
This diagram is provided by Google Ngram ViewerSee also
Matching words
- Words starting with d
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- Words starting with dlayer