radiation - Meaning in Malayalam

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radiation - Meaning in Malayalam

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Definitions and Meaning of radiation in English

radiation noun

1. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

   Synonyms

   actinotherapy, irradiation, radiation therapy, radiotherapy

   റേഡിയോ തെറാപ്പി, വികിരണം

2. the act of spreading outward from a central source

   വികിരണം, ...Subscribe

3. a radial arrangement of nerve fibers connecting different parts of the brain

4. the spread of a group of organisms into new habitats

5. energy that is radiated or transmitted in the form of rays or waves or particles

6. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

   Synonyms

   radioactivity

7. syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours

   Synonyms

   radiation sickness, radiation syndrome

   Example

   • "he was suffering from radiation"

Description

In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or a material medium. 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 particles of non-zero rest energy, such as alpha radiation (α), beta radiation (β), proton radiation and neutron radiation
• acoustic radiation, such as ultrasound, sound, and seismic waves, dependent on a physical transmission medium
• gravitational radiation, in the form of gravitational waves, ripples in spacetime

ഊ൪ജ്ജത്തെ അന്തരീക്ഷത്തിലൂടെയോ ദ്രവ്യമാദ്ധ്യമത്തിലൂടെയോ തരംഗമായോ കണികയായോ ഉത്സ൪ജ്ജിക്കുകയോ പ്രസരിപ്പിക്കുകയോ ചെയ്യുന്നതിനെ ഭൗതികശാസ്ത്രത്തിൽ വികിരണം (Radiation) എന്നുപറയുന്നു. ഒരു ഉറവിടത്തിൽ നിന്ന് വരുന്നതും ശൂന്യതയിലൂടെ സഞ്ചരിക്കുന്നതുമായ ഊർജ്ജമാണു വികിരണം, കൂടാതെ വിവിധ വസ്തുക്കളിലേക്ക് തുളച്ചുകയറാനും ഇവയ്ക്കു കഴിയും. ഇതിന് ദ്രവ്യത്തിൽ ചാർജ്ജ് കണങ്ങളെ (അയോണുകൾ) ഉത്പാദിപ്പിക്കാൻ കഴിയും. അസ്ഥിരമായ ആറ്റങ്ങളാണ് അയോണൈസിംഗ് വികിരണം നിർമ്മിക്കുന്നത്.

Also see "Radiation" on Wikipedia

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