Quick Answer: What Is Evanescent?

What does the word evanescent?

After you lose a loved one, often you’re gripped with a fear of evanescence, or the rapid fading from sight or memory of that person.

Evanescence comes from the Latin evanescere meaning “disappear, vanish.” Something that possesses qualities of evanescence, has a quality of disappearing or vanishing..

What does Fugacious mean?

lasting a short time: lasting a short time : evanescent.

What means ephemeral?

adjective. lasting a very short time; short-lived; transitory: the ephemeral joys of childhood. lasting but one day: an ephemeral flower.

Can a person be ephemeral?

The term can still be applied to living things in a more poetic sense, denoting a lifespan of more than one day – a person’s life can be ephemeral, meaning not only that it was shorter than expected, but also left a relatively small impact on those around him.

How do you use ephemeral in a sentence?

Ephemeral sentence examplesThe civic reaction was an example of the ephemeral nature of the public’s interest. … New words are constantly being coined, some will prove ephemeral, others are here to stay. … Concentrate on remembering the ephemeral moments which will be the most precious 20 years from now. … He led an ephemeral electronic existence.More items…

What is evanescent mode in waveguide?

Evanescent modes are modes below the cutoff frequency. They cannot propagate down the waveguide for any distance, dying away exponentially. However, they are important in the functioning of certain filter components such as irises and posts, described later, because energy is stored in the evanescent wave fields.

What is mode coupling in optical fiber?

Mode is the path for light rays through an optical fiber. If an optic fiber supports only one mode, it is called as single mode fiber. Mode coupling leads to intramodal dispersion like material dispersion and waveguide dispersion and also intermodal dispersion. …

What does Vermilion mean?

1 : a vivid reddish orange. 2 : a bright red pigment consisting of mercuric sulfide broadly : any of various red pigments.

What part of speech is evanescent?

evanescentpart of speech:adjectivedefinition:tending to disappear like vapor; vanishing; fleeting. The passion they felt for each other was sadly evanescent. antonyms: lasting, permanent similar words: fleeting, temporalrelated words:fugitive, transientWord CombinationsSubscriber feature About this feature1 more row

What does exasperation mean?

an act or instance of exasperating; provocation. the state of being exasperated; irritation; extreme annoyance: Her exasperation at being interrupted was understandable.

What does enticing mean?

: arousing strong attraction or interest : alluring an enticing aroma an enticing menu an enticing opportunity/possibility Some of the most enticing food on the menu is in the “little bite” section, more than a dozen appetizers priced from $5 to $11 per plate.—

What does evanescent mean in a sentence?

Definition of Evanescent. lasting only for a very short time. Examples of Evanescent in a sentence. 1. We would have all missed the evanescent moment if not for the photographer’s speed and skill.

What is evanescent field in optical fiber?

In electromagnetics, an evanescent field, or evanescent wave, is an oscillating electric and/or magnetic field that does not propagate as an electromagnetic wave but whose energy is spatially concentrated in the vicinity of the source (oscillating charges and currents).

What does Foresight mean?

care or provision for the future; provident care; prudence. the act or power of foreseeing; prevision; prescience. an act of looking forward. knowledge or insight gained by or as by looking forward; a view of the future.