radiance
gb/ɹˈeɪdiəns/ us/ɹˈeɪdiəns/
B2
Angličtina
~ 7400
Významy
0 významů
Podstatné jméno
B2
property
1
bright, glowing light
Strong, clear light that shines from something, or the quality of being bright and shining.
Vzorec užití:
the radiance of [something]
Častá chyba:
Learners sometimes confuse "radiance" with "radiation". "Radiance" usually describes beautiful or pleasant light, while "radiation" is a scientific term that can refer to dangerous energy (for example from nuclear material). Also, "radiant" is often more common in everyday speech than "radiance" when used before a noun ("radiant light", not *"radiance light").
Synonyma
brightness (A very general word for how much light there is; does not suggest beauty as strongly as "radiance".)
|
glow (Suggests a steady, often softer light; can feel more intimate or warm than "radiance".)
|
brilliance (Often suggests extremely strong or sharp light, sometimes a bit harsher than the gentler "radiance".)
Antonyma
dimness (Describes a weak level of light, the opposite of strong, clear radiance.)
|
dullness (Suggests a lack of shine or brightness, the opposite of something shining with radiance.)
Kolokace
the sun's radiance
|golden radiance
|soft radiance
|bathed in radiance
|the radiance of the sky
|warm radiance
Témata
nature
|science
|visual
|core_vocabulary
Příklady
- The radiance of the morning sun filled the room.
- We watched the mountains fade in the last radiance of the sunset.
- Her white dress seemed to catch every bit of radiance from the candles.
- The jewels sparkled with an inner radiance under the spotlights.
- Moonlight spilled across the lake, giving it a soft silver radiance.
Učební příklady
- The radiance of the sun made the snow shine.
- The lamp gave a warm radiance to the small room.
- We enjoyed the golden radiance of the late afternoon.
- The stars added a gentle radiance to the dark sky.
- The fire filled the cabin with a soft radiance.
Podstatné jméno
B2
property
2
glowing happiness or beauty
A strong, warm glow on someone’s face that shows they are very happy, healthy, or beautiful.
Vzorec užití:
[someone]'s radiance
Častá chyba:
Learners may overuse this word in everyday speech, where simpler words like "glow" or "happy look" are more natural. "Radiance" often appears in writing or slightly poetic descriptions, especially in phrases like "her natural radiance" or "a bride's radiance". It is also easy to confuse with "radiation", which does NOT describe a person’s face.
Synonyma
glow (In this context, often used in phrases like "a healthy glow"; slightly more informal and common in everyday speech.)
|
luminosity (More formal and less common; often used in artistic or literary writing about beauty.)
|
brilliance (Can suggest a shining quality of personality or beauty, but is also widely used for intelligence, so may feel more abstract.)
Antonyma
dullness (Suggests a lack of life or shine in someone’s face or appearance, the opposite of visible radiance.)
|
weariness (Shows tiredness on the face, which contrasts with the fresh, bright look of radiance.)
Kolokace
her natural radiance
|inner radiance
|youthful radiance
|a bride's radiance
|glowing radiance
|spiritual radiance
Témata
emotions
|appearance
|people
|body
Příklady
- Everyone noticed the radiance in her face when she talked about her newborn baby.
- After the long vacation, he returned with a healthy radiance that he hadn’t had in years.
- The photographer tried to capture the bride’s radiance as she walked down the aisle.
- Yoga and rest brought back a quiet radiance to her tired features.
- His eyes had a new radiance, full of hope and excitement.
Učební příklady
- There was a clear radiance in her smile.
- Good sleep gave his face a fresh radiance.
- On her wedding day, her radiance was easy to see.
- After the illness, his radiance slowly came back.
- The child’s radiance made everyone in the room smile.
Podstatné jméno
technical
C2
quantity
3
radiometric measure of emitted power
In physics, the amount of energy in light that comes from or hits a surface, divided by the size of the surface and the angle it spreads over.
Vzorec užití:
the radiance of [a surface/light source]
Častá chyba:
Learners often mix up "radiance", "irradiance", and "radiation". "Radiance" is power per unit area per unit solid angle, while "irradiance" is power per unit area and has no solid angle term. "Radiation" is the general process or energy being emitted and is not a specific radiometric quantity.
Synonyma
intensity (In casual technical talk, people may loosely say "intensity"; in strict radiometry, it is a different but related quantity.)
|
luminance (A closely related photometric quantity for visible light as perceived by the human eye; not identical but often paired with radiance.)
Antonyma
darkness (In a broad sense, a state with almost no radiant energy; used more conceptually than as a strict physical opposite.)
|
zero flux (In technical contexts, a state where essentially no radiant power is present, the limit opposite of nonzero radiance.)
Kolokace
spectral radiance
|luminous radiance
|surface radiance
|radiance field
|radiance map
|radiance distribution
Témata
science
|physics
|engineering
|technology
Příklady
- The sensor measures the radiance of the surface at several wavelengths.
- In the simulation, we computed the spectral radiance of each point in the scene.
- Atmospheric scattering significantly reduces the radiance reaching the satellite.
- The camera’s exposure is adjusted according to the radiance of the incoming light.
- Researchers analyzed changes in ocean radiance to monitor algae blooms.
Učební příklady
- In this physics class, we will learn how to measure radiance.
- The scientist recorded the radiance of the light coming from the star.
- A special camera can show the radiance of each part of the image.
- They used computer models to predict the radiance at the ground.
- Low radiance means only a small amount of light energy is coming from that area.
Podstatné jméno
literary
C1
property
4
shining quality of joy or excellence
A very strong and bright feeling of joy, goodness, or beauty that seems to come from someone or something.
Vzorec užití:
the radiance of [something abstract]
Častá chyba:
Learners may try to use this literary sense in very casual situations, where it can sound too poetic or heavy. In everyday talk, people usually choose simpler words like "joy", "beauty", or "happiness" instead of "radiance" in this abstract sense.
Synonyma
splendor (Emphasizes grand, impressive beauty; often used for scenes and events, similar literary tone to "radiance".)
|
glory (Suggests greatness and honor as well as beauty; can carry religious or moral overtones more strongly than "radiance".)
|
exaltation (Focuses more on the intense feeling of joy or uplift, while "radiance" suggests how that feeling seems to shine outward.)
Antonyma
drabness (Describes something plain and without excitement or beauty, the opposite of a radiant quality.)
Kolokace
the radiance of love
|the radiance of faith
|the radiance of her spirit
|the radiance of his music
|moral radiance
|inner radiance
Témata
emotions
|art
|spirituality
|arts_entertainment
Příklady
- The radiance of her spirit inspired everyone who met her.
- The novel captures the quiet radiance of ordinary family life.
- There was a strange radiance in the music that left the audience silent.
- We sat in the simple radiance of their kindness and hospitality.
- For a moment, the radiance of their shared joy made the whole room seem brighter.
Učební příklady
- The radiance of their love was clear to all their friends.
- He wrote about the radiance of simple, honest work.
- The film shows the radiance of hope in a hard time.
- Many people felt the radiance of her strong, calm character.
- The poem tries to describe the radiance of a new beginning.
Gramatika
Slovníkový tvar
radiance
IPA
GB/ɹˈeɪdiəns/
US/ɹˈeɪdiəns/
Slabiky a přízvuk
ra - di - ance (3 slabiky)
Stress on 1st syllable (ra)
Tvary slova
Noun
- Base: radiance
- Plural: radiance, radiances
Příbuzná slova
Forms
radiances
noun
Negative and opposite forms
nonradioactive
adjective
Advanced or less common
Výrazy
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