Optical Phenomena

adjective describing a quality or characteristic of a noun, in this case, 'bright' describes something that emits or reflects a lot of light, or is intelligent and quick-witted

• The bright sun illuminated the entire room.
• She has a bright personality that lights up the room.
• That new car is so bright, I can't wait to drive it.
• His future looks bright with all the opportunities ahead of him.

noun a color or hue

adjective relating to or using notes not belonging to the diatonic scale of a key

• The artist used a chromatic color scheme to create a visually striking painting.
• I love how the movie's cinematography was so chromatic, it really added to the overall vibe.
• The new car comes in a variety of chromatic colors, I can't decide which one I like best!
• Her emotions were like a chromatic spectrum, ranging from joy to sorrow in an instant.

noun the action of dilating a part or organ of the body

• The doctor prescribed eye drops to help with pupil dilation.
• I heard that staring at a screen for too long can cause eye dilation.
• I can't believe how much my eyes dilated when I saw that cute puppy!
• The company's profits experienced a significant dilation after the new marketing campaign.

noun a misleading or false account or impression

• The study found a distortion in the data due to measurement errors.
• The photo looks weird because of the distortion caused by the lens.
• I can't trust what he says, there's always some distortion in his stories.
• Her perception of reality was distorted by years of emotional abuse.

adjective showing luminous colors that seem to change when seen from different angles

• The scientist studied the iridescent colors of the butterfly's wings under a microscope.
• Wow, that butterfly's wings are so shiny and iridescent!
• Those shoes are totally iridescent, I love them!
• Her personality was as iridescent as the colors of a rainbow.

noun the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies

• The luminescence of the fireflies in the forest was truly mesmerizing.
• The luminescence of those glow sticks at the party was so cool.
• That luminescence from the neon sign was lit!
• Her smile had a luminescence that brightened up the room.

noun a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky

• After the rain, a beautiful rainbow appeared in the sky.
• Wow, did you see that rainbow after the storm?
• That rainbow was lit!
• The diversity of colors in the team's skills formed a rainbow of talent.

noun a flash of light produced in a diamond or other gemstone by refraction of light

• The scintillation of the stars in the night sky is truly mesmerizing.
• I love how the lights on the Christmas tree scintillate in the dark.
• The disco ball was scintillating all night long at the party.
• Her eyes were full of scintillation as she talked about her passion for art.

noun the angle formed between two lines or rays that extend from the ends of an arc or chord

verb to extend or stretch underneath or across something

• The angle subtended by the two lines is equal to 90 degrees.
• The lines make an angle of 90 degrees.
• Those lines form a 90-degree angle.
• Their friendship subtends all obstacles.

noun a rainbow produced by moonlight rather than sunlight

• The moonbow is a rare natural phenomenon that occurs when the moonlight refracts through water droplets in the air.
• I heard there might be a moonbow tonight, so let's go outside and see if we can spot it!
• Check out the cool moonbow in the sky right now, it looks awesome!
• The moonbow of success shone brightly upon her as she achieved her goals.

noun a milky iridescence exhibited by some minerals such as moonstone

• The moonstone exhibited a beautiful adularescence when held under the light.
• The moonstone had this cool shimmery effect when you shine a light on it.
• That gem has some serious sparkle and shine, it's like magic!
• Her eyes had an adularescent quality, reflecting a sense of mystery and depth.