Fireflies. Fireflies, also known as lightning bugs, are one of the most common examples of bioluminescence. They have a special organ that produces light through a chemical reaction. Fireflies use flashing light to attract mates, but begin emitting light even as larvae.
How do you use luminescent in a sentence?
Examples of ‘luminescent’ in a sentence luminescent
- His eyes glowed bright purple with the light of luminescent bacteria colonies implanted in his irises. …
- Yawning, he lifted his arm and squinted at the luminescent numbers of his watch.
What is a sentence for luminous?
Luminous sentence example. A luminous warmth seems to enfold me. The name “firefly” is often applied also to luminous beetles of the family Lampyridae, to which the well-known glow-worm belongs. In the dim shadow of the curtain her luminous eyes shone more brightly than usual from the tears of joy that were in them.
What does luminous look like?
bright, brilliant, radiant, luminous, lustrous mean shining or glowing with light. … radiant stresses the emission or seeming emission of rays of light. luminous implies emission of steady, suffused, glowing light by reflection or in surrounding darkness.
What is luminous example?
Objects like the sun that give out or emit light of their own are luminous objects. Other examples of luminous bodies are Electric bulb, torch etc. … Objects like the moon that do not give out or emit light of their own are Non- luminous objects.
Is the sun luminescent?
Luminous simply means giving off light; most things in our world produce light because they have energy that originally came from the Sun, which is the biggest, most luminous thing we can see. … Strictly speaking, that means the Sun (top) is luminous but the Moon (bottom) is not.
What is the meaning of word luminescent?
: the creation of light by processes that do not involve heat also : the light created. See the full definition for luminescence in the English Language Learners Dictionary. luminescence. noun.
What is a synonym for luminescent?
In this page you can discover 19 synonyms, antonyms, idiomatic expressions, and related words for luminescent, like: gleaming, glowing, luminous, luminescent, bright, fluorescent, glimmering, glistening, radiant, shining and twinkling.
Is bioluminescence harmful to humans?
Is bioluminescence harmful to humans? There is no reason to avoid this amazing phenomenon as not all bioluminescence is harmful. Bioluminescence is in fact a natural defense mechanism of many marine creatures including phytoplakton, squid, shrimp, and some fish.
What is the advantage of being bioluminescent?
Through a very long process of natural selection, the organisms we call bioluminescent have developed the ability to enhance light production through physiological, molecular, anatomical, and behavioral adaptations. All this because the bioluminescence imparts an important ecological advantage to the organism.
What kinds of animals are bioluminescent?
Bioluminescence is found in many marine organisms: bacteria, algae, jellyfish, worms, crustaceans, sea stars, fish, and sharks to name just a few. In fish alone, there are about 1,500 known species that luminesce. In some cases, animals take in bacteria or other bioluminescent creatures to gain the ability to light up.
How do you use demise in a sentence?
Demise sentence example
- The demise of war, now that is inevitable. …
- He met his inevitable demise . …
- This, his latest sermon, was published, soon after his demise , as Death’s Duel. …
- Despite his untimely demise , 2Pac has continued to release a steady stream of the material recorded prior to his death.
Can you describe a person as luminescent?
Capable of, suitable for, or exhibiting luminescence. The definition of luminescent is something or someone that glows or emits light.
Where does the word luminescent come from?
The term luminescence comes from the Latin (lumen = light) and was first in- troduced as luminescenz by the physicist and historian of science, Eilhardt Wie- demann in 1888 for “all those phenomena of light which are not solely condi- tioned by the rise in temperature”, as opposed to incandescence.
Can a person be luminous?
Giving off light; shining; bright. The definition of luminous is giving off a very bright light or a person or trait considered glowing. An example of luminous is the sun. An example of luminous is the smile of a beautiful girl.
What objects are luminescent?
Things that glow in the dark, like the reflective safety strip on your dog’s leash or the numbers on your alarm clock, are luminescent. Other luminescent things include light bulbs, the stars in the night sky, glow worms, and certain glowing jellyfish and other sea creatures.
Why does glow in the dark work?
Things that glow in the dark contain a substance called phosphor, which is capable of radiating light after it has become energized. Such substances first soak up energy for long periods when exposed to light and subsequently radiate visible light in the dark.
What all does a UV light show?
The lights cause materials such as bacteria, urine, seminal fluids and blood, to “fluoresce,” so that the naked eye can detect them. Typically, UV lights are used to test surfaces especially when there is a disease outbreak or any sudden increase in occurrences of a specific disease at a particular time or place.
Which is a natural luminous body?
The sun is the natural luminous body and it is the chief source of the light.
Is Star a luminous body?
star, any massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources. Of the tens of billions of trillions of stars composing the observable universe, only a very small percentage are visible to the naked eye.
Is a lit match luminous?
Answer: Yes matchstick is a luminous object.
What’s the difference between luminous and luminescent?
As adjectives the difference between luminescent and luminous. is that luminescent is emitting light by luminescence while luminous is emitting light; glowing brightly.
How do you speak luminous?
Here are 4 tips that should help you perfect your pronunciation of ‘luminous’:
- Break ‘luminous’ down into sounds: + + – say it out loud and exaggerate the sounds until you can consistently produce them.
- Record yourself saying ‘luminous’ in full sentences, then watch yourself and listen.