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photon

[foh-ton]

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noun

a quantum of electromagnetic radiation, usually considered as an elementary particle that is its own antiparticle and that has zero rest mass and charge and a spin of one. Symbol: γ

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Also called light quantum.

Origin:
1900–05; phot- + -on¹

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Photon is always a great word to know.

So is ort. Does it mean:

a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.

a scrap or morsel of food left at a meal.

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Example Sentences

Raskar traces those bouncing echoes of light photon by photon, based on when and where they land.

Entangled pairs are made by taking one photon and converting it into a pair that fly off in opposite directions.

Making single photons interact can be useful because a photon can carry the units of quantum information, called qubits.

EXPAND

Raskar traces those bouncing echoes of light photon by photon, based on when and where they land.

Entangled pairs are made by taking one photon and converting it into a pair that fly off in opposite directions.

Making single photons interact can be useful because a photon can carry the units of quantum information, called qubits.

When a photon strikes its surface, it bounces off, imparting its momentum to the sail.

When the atom drops back to a lower energy level, it emits a photon.

It might re-emit a new photon at a different wavelength.

Its optics are coated with nanothin layers of proprietary materials that help guide every cosmic photon into your eye or camera.

Quantum coherence describes how more than one molecule interacts with the same energy from one incoming photon at the same time.

Once entangled, a photon can carry any information stored in the atom's quantum state to other parts of the computer.

When the electrons fall back to lower energy states, a photon of light is emitted.

And the opposite in the case of a photon traveling away from a source of gravity.

If these particles zip through water or ice, they leave faint blue trails of light that can be seen by sensitive photon detectors.

Japan succeeds in solar sailing, as a small craft moves with photon power.

Not a rocket with its boosters on full blast nor a photon of light.

The material included a layer of equally spaced quantum dots, which emit lots of light when struck with one photon.

The sun was visible during the landings so every single photon from sunlight was imparting energy to whatever it striked.

When they fall back to a lower state a photon is emitted, and the wavelength of the photon determines the color.

Each photon of laser light carries a tiny amount of momentum.

It can't be that a photon particle is causing the vibration because the photon's length itself would have to be meters long.

They theorized that when a photon hits one of those.

But a photon is a wave in a double-slit apparatus or interferometer.

When a gamma ray hits the crystal, a photon is produced, so it glows a beautiful blue.

The stable shape of the photon is carried by something different from the energy level.

So other properties, such as photon emission has no effect on gravity.

The definition of photon as a energy wave quanta to present light is not too clear for.

All the other experiments had been teleportation from an atom or a photon to exactly the same kind of particle.

Their craft employs thin-film solar power generation and photon propulsion.

Would long ago have changed its dependence on radio wave photon for its communications in favour of neutrino as the carrier wave.

Numerical order of photon motion is tp1, tp2, tp3&tpn.

The sun s activity has increased and more photon reaches the oceans causing more tornadoes.

COLLAPSE

Collins

World English Dictionary

photon (ˈfəʊtɒn)

—n
	a quantum of electromagnetic radiation, regarded as a particle with zero rest mass and charge, unit spin, and energy equal to the product of the frequency of the radiation and the Planck constant

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

photon

"unit of electromagnetic radiation," 1926, from photo- "light" + on "unit."

American Heritage

Medical Dictionary

photon pho·ton (fō'tŏn')
n.
The quantum of electromagnetic energy, generally regarded as a discrete particle having zero mass, no electric charge, and an indefinitely long lifetime.

pho·ton'ic adj.

American Heritage

Science Dictionary

photon (fō'tŏn') Pronunciation Key
The subatomic particle that carries the electromagnetic force and is the quantum of electromagnetic radiation. The photon has a rest mass of zero, but has measurable momentum, exhibits deflection by a gravitational field, and can exert a force. It has no electric charge, has an indefinitely long lifetime, and is its own antiparticle. See Note at electromagnetic radiation. See Table at subatomic particle.

American Heritage

Cultural Dictionary

photon [(foh-ton)]

The quantum, or bundle of energy, in which light and other forms of electromagnetic radiation are emitted. (See atom.)

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