Speakur

Word Pronunciation & Dictionary

d region

Word Rarity Uncommon

Frequency: Zipf frequency 4.87 in modern English

Syllables
d re-gion
IPA
9
Scrabble Score
7
Letters
2
Syllables
7
Unique Chars

Meaning

name

The innermost layer of the ionosphere, located 48 km (30 mi) to 90 km (56 mi) above the surface of the Earth.

Inflected Forms

the D region (canonical) D-region (alternative)

Synonyms

D layer

Questions

What does d region mean?
The innermost layer of the ionosphere, located 48 km (30 mi) to 90 km (56 mi) above the surface of the Earth.

How to pronounce d region

  1. Open the pronunciation page — Open the Speakur entry for “d region”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “d region”.
  4. Repeat and practice — Say “d region” aloud, matching stress and vowels until it feels natural.