Light And Optics Terminology

noun the quality or state of being bright

• The brightness of the sun can be harmful if you don't protect your eyes.
• I love the brightness of your smile, it always brightens my day.
• The party was lit, the brightness of the lights was amazing.
• Her intelligence shines like the brightness of a thousand suns.

noun a state or quality of being dim; lack of brightness or clarity

• The dimness of the room made it difficult to read the small print.
• I couldn't find my keys in the dimness of the hallway.
• Let's turn on some lights, I can't see anything in this dimness.
• The dimness of his memory prevented him from recalling the events clearly.

noun a steady radiance of light or heat

verb to emit a steady radiance of light or heat

• The glow of the sunset painted the sky in shades of pink and orange.
• She had a natural glow about her that made her stand out in a crowd.
• That highlighter is giving you a serious glow-up!
• Her kindness and positivity always seem to make everything around her glow.

noun a reflective surface that shows an image of whatever is in front of it

verb to reflect or represent something accurately or truthfully

• She gazed at her reflection in the mirror, adjusting her hair with precision.
• I can't believe how clear this mirror is, it makes me look great!
• Check yourself out in the mirror before we head out.
• The painting serves as a mirror to society, reflecting its values and beliefs.

adjective relating to or involving the conversion of light into electricity

• The photoelectric effect is the phenomenon where electrons are emitted from a material when it is exposed to light.
• I learned about the photoelectric effect in my physics class.
• That photoelectric thing is pretty cool, right?
• Her smile was like a photoelectric spark, lighting up the room.

noun a division or separation

verb to separate into parts or pieces

adjective divided or separated

adverb in a split manner

• The company decided to split the profits evenly among the shareholders.
• Let's split the bill at the restaurant.
• I heard they split up last week.
• The political party is split on the issue of healthcare reform.