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Meaning Origin language and etymology Example(s) dacry(o)-of or pertaining to tears: Greek δάκρυ, tear dacryoadenitis, dacryocystitis-dactyl(o)-of or pertaining to a finger, toe Greek δάκτυλος (dáktulos), finger, toe dactylology, polydactyly: de-from, down, or away from Latin de-dehydrate, demonetize, demotion dent-
The term is a piece of computer humor entered into the 1981 The Devil's DP Dictionary. [46] Anatidaephobia – the fictional fear that one is being watched by a duck. The word comes from the name of the family Anatidae, and was used in Gary Larson's The Far Side. [47] Anoraknophobia – a portmanteau of "anorak" and "arachnophobia".
In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or a material medium. [ 1][ 2] This includes: electromagnetic radiation consists of photons, such as radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma radiation (γ) particle radiation consists of ...
This glossary of physics is a list of definitions of terms and concepts relevant to physics, its sub-disciplines, and related fields, including mechanics, materials science, nuclear physics, particle physics, and thermodynamics. For more inclusive glossaries concerning related fields of science and technology, see Glossary of chemistry terms ...
We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...
This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a ...
X-ray photoelectron spectroscopy is a chemical analysis technique relying on the photoelectric effect, usually employed in surface science. Radiation implosion is the use of high energy X-rays generated from a fission explosion (an A-bomb) to compress nuclear fuel to the point of fusion ignition (an H-bomb ).
Frequency. 60 million (2015) [ 6 ] A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision of the eye. [ 1 ][ 7 ] Cataracts often develop slowly and can affect one or both eyes. [ 1 ] Symptoms may include faded colours, blurry or double vision, halos around light, trouble with bright lights, and difficulty seeing ...