radiant

(rā'dē-ənt)
adj.

1. Emitting heat or light.
2. Consisting of or emitted as radiation: radiant heat.
3. 1. Filled with light; bright.
   2. Glowing; beaming. See synonyms at bright.

n.

1. An object or a point from which light or heat rays are emitted.
2. Astronomy. The apparent celestial origin of a meteoric shower.

[Middle English, from Latin radiāns, radiant-, present participle of radiāre, to radiate. See radiate.]

radiantly ra'di·ant·ly adv.

View more Science videos

The point where the backward projection of a meteor trajectory intersects the celestial sphere. More generally, the point in the sky from which meteors of a specific shower seem to come. This point moves against the background of the stars as Earth passes through the meteor stream, a movement known as radiant drift.

adjective

Giving off or reflecting light readily or in large amounts: beamy, bright, brilliant, effulgent, incandescent, irradiant, lambent, lucent, luminous, lustrous, refulgent, shiny. See light/darkness.

adj

Definition: bright, luminous
Antonyms: cloudy, dark, dim, dull

adj

Definition: happy
Antonyms: dull, gloomy, sad

IN BRIEF: Reflecting light. Also: Showing love, confidence or happiness.

The pond was radiant in the colors of the sunset.

LearnThatWord.com is a free vocabulary and spelling program where you only pay for results!

1. diverging from a center.
2. emitting rays, as of light or heat.

For a list of words related to radiant, see:

• Healthy, fit, bright, or strong
• Celestial Phenomena and Points - radiant: point on celestial sphere from which a meteor stream appears to come
• Happy, Playful, Optimistic, or Elated
• Special, Bright, Skillful, or Unusual

---

See words rhyming with "radiant."

Dansk (Danish)
adj. - strålende, stråle-
n. - strålepunkt, varmelegeme

idioms:

• radiant heat    strålevarme
• radiant point    strålepunkt

Nederlands (Dutch)
stralend, schitterend, stervormig

Français (French)
adj. - radieux, brillant, rayonnant
n. - résistance chauffante, (Astron) point radiant

idioms:

• radiant heat    chaleur radiante
• radiant point    point radiant

Deutsch (German)
adj. - strahlend, leuchtend
n. - Heizfläche, Radiant

idioms:

• radiant heat    Strahlungswärme
• radiant point    (Licht)quelle, Radiant

Ελληνική (Greek)
adj. - ακτινοβόλος, ακτινοβολών, που ακτινοβολεί (από ευτυχία κ.λπ.), λαμπερός
n. - εστία εκπομπής (θερμών) ακτίνων, (γεωμ.) πολική ακτίνα

idioms:

• radiant heat    ακτινοβολούμενη θερμότητα
• radiant point    ακτινοβόλο σημείο

Italiano (Italian)
raggiante, radiante

idioms:

• radiant heat    calore radiante
• radiant point    punto radiante

Português (Portuguese)
adj. - radiante
n. - foco luminoso (m)

idioms:

• radiant heat    calor irradiante (Fis.)
• radiant point    ponto de radiação

Русский (Russian)
сияющий, лучистый, источник света/тепла, радиант

idioms:

• radiant heat    тепловое излучение
• radiant point    радиант

Español (Spanish)
adj. - radiante, resplandeciente, rebosante
n. - objeto radiante, foco irradiador, línea radial

idioms:

• radiant heat    calor radiante
• radiant point    punto de radiación

Svenska (Swedish)
adj. - strålande, utstrålande
n. - strålcentrum

中文（简体）(Chinese (Simplified))
光芒四射的, 容光焕发的, 明亮照耀的, 洋溢着幸福的, 发光的物体, 光点, 辐射点, 电炉的白炽部分

idioms:

• radiant heat    辐射热
• radiant point    辐射源, 辐射点

中文（繁體）(Chinese (Traditional))
adj. - 光芒四射的, 容光煥發的, 明亮照耀的, 洋溢著幸福的
n. - 發光的物體, 光點, 輻射點, 電爐的白熾部分

idioms:

• radiant heat    輻射熱
• radiant point    輻射源, 輻射點

한국어 (Korean)
adj. - 반짝 반짝 빛나는, 눈부신, 즐거운 듯한, 복사의
n. - 광점, 광체

日本語 (Japanese)
adj. - 光を放つ, 輝く, 放射の, 喜びに輝く

idioms:

• radiant heat    放射熱
• radiant point    放射点

العربيه (Arabic)
‏(صفه) مشع, متألق (الاسم) مصدر إنبعاث الشعاع‏

עברית (Hebrew)
adj. - ‮קורן, זוהר, זורח, מקרין‬
n. - ‮מקור האור והחום, בעיקר בתנור חשמלי או תנור גז‬

If you are unable to view some languages clearly, click here.

To select your translation preferences click here.