radiant
3
6.7
- noun
- /ˈreɪdiənt/
- Specialized
:
radiante
- The radiant of the meteor shower can be found in the constellation Perseus in the northern sky.
- shower radiants
- meteors and their radiant
- radiant in the constellation
Examples
-
Best viewing comes after midnight when the shower's radiant (which lies in the constellation Gemini) lies highest.
Academic text (2006) -
During the peak of the meteor shower, the radiant is positioned high above the horizon.
-
The starting point, called the radiant, is found in the part of Leo that looks to be a backwards question mark.
Blog text (24) -
The starting point, called the radiant for obvious reasons, is found in the part of Leo that looks like a backwards question mark.
Blog text (3) -
The radiant is highest in the sky just before dawn, making this the optimal viewing time.
Academic text (1994) -
Shower meteors are those that you can mentally trace back to the radiant.
Academic text (2001) -
Most meteor showers get their name from the constellation that contains their radiant.
Academic text (2005) -
Today, astronomers avoid such controversies by naming meteor showers after the constellation containing the radiant.
Academic text (1994) -
For the Leonids, the radiant will be in the sickle of the constellation Leo (hence the name "Leonids"), near the bright star Regulus.
Academic text (2001) -
Astronomers have identified a new radiant that produces bright meteors during the annual meteor shower.
Synonyms
274
1.0
Something that gives light for a room or table
12
3.0
A thing like a lamp or candle that makes a place bright so you can see
1
3.5
An object that sends out heat or light, for example the sun
1
5.6
A device or person that gives light to make things visible
1
3.9
A thing that gives light so you can see
1
8.4
Something that gives light, like a lamp or bulb
1
4.2
A light that gives heat you can feel but not see, used to warm or help sore muscles
A source that gives off light, sound, or energy
A material that gives light when you turn it on or add a chemical
A device that gives off ultraviolet light used for lighting or experiments
Antonyms
Compounds
- Specialized
A way to make a building warm by using panels in floors, walls, or ceilings that give out warmth
How Bright
Surface Forms
Etymology
Radiant as a noun names a thing that gives off light or energy and comes from the Latin radius, meaning 'ray'. Think of a machine sending out rays, and you can remember that a radiant is something that emits light or power.