Definitions for d region
d region

Princeton's WordNetRate this definition:0.0 / 0 votes

1. D-layer, D regionnoun

   the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves

WikipediaRate this definition:0.0 / 0 votes

1. d region

   The ionosphere () is the ionized part of the upper atmosphere of Earth, from about 48 km (30 mi) to 965 km (600 mi) above sea level, a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar radiation. It plays an important role in atmospheric electricity and forms the inner edge of the magnetosphere. It has practical importance because, among other functions, it influences radio propagation to distant places on Earth.

ChatGPTRate this definition:0.0 / 0 votes

1. d region

   The D region is the innermost layer of the Earth's ionosphere, found at an altitude of about 50 to 90 kilometers above the Earth's surface. It is primarily composed of ionized nitrogen and oxygen and plays a crucial role in the reflection and refraction of radio waves. The ionization level, and hence the density of the D region, changes based on the time of day and solar activity. During the night, the D region virtually disappears because of the lack of solar radiation.

Matched Categories

1. • Ionosphere
   • Region

How to pronounce d region?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say d region in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of d region in Chaldean Numerology is: 9

2. Pythagorean Numerology

   The numerical value of d region in Pythagorean Numerology is: 9

Examples of d region in a Sentence

1. Antony Blinken:

   In line with the President's vision, we have notified the Governments of El Salvador, Guatemala, and Honduras that The United States is taking this action as efforts to establish a cooperative, mutually respectful approach to managing migration across the region begin.

2. Arnold Schuler:

   We always said we want to be a region for tourists, but also a place where the local people live well.

3. Timothy Betts:

   The United States government realizes that South Korea does a lot for our alliance and for peace and stability in this region.

4. Rocky Adkins:

   We have an opportunity in some other fields to stabilize and really revitalize the economy of the region ... and give our people the same hope and opportunity that they have in other parts of this country and the world.

5. Yang Yujun:

   Certain countries are roping in countries from outside the region to get involved in the South China Sea issue, putting on a big show of force, deliberately exaggerating the tense atmosphere in the region, this way of doing things will not have a beneficial effect on the situation in the South China Sea.

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=d region
2. ^ Wikipedia
   https://en.wikipedia.org/wiki/D_Region
3. ^ ChatGPT
   https://chat.openai.com