radiations

Outward energy emissions

Radiations is the plural of radiation, covering multiple types or instances of energy emission.

In physics, this includes electromagnetic radiations like radio waves, microwaves, visible light, and X-rays, each distinguished by wavelength.

In medicine, patients may receive different radiations as part of cancer treatment.

The plural emphasizes distinct categories or exposures rather than radiation as a general phenomenon: The study measured radiations from multiple sources in the environment.

electromagnetic

spectrum

Continuous range of values

visible light · ultraviolet · X-rays · microwaves · radio waves · gamma rays · infrared · absorption · emission · electromagnetic field

nuclear

fission

Nuclear breakup releasing energy

plutonium · isotopes · neutrons · gamma rays · half-life · chain reaction · critical mass · enrichment · nuclear waste · meltdown

solar

sunlight

Radiance from our star

vitamin D · sunburn · sunscreen · solar flare · coronal · heliosphere · irradiance · insolation · daylight · SPF

thermal

infrared

Heat-bearing electromagnetic waves

thermodynamics · temperature · warmth · blackbody · emissivity · thermal imaging · pyrometer · heat lamp · thermal equilibrium · calorimetry

medical

X-ray

Penetrating diagnostic beam

tumor · cancer treatment · imaging · diagnostic · PET scan · radiology · brachytherapy · exposure · shielding · lead apron

Categories
Opposites
ENERGY EMISSION vs. ABSORPTION

radiationsabsorptions

Acts of taking in

absorption · uptake · assimilation · reception · intake

DYNAMIC PROPAGATION vs. STATIC STATE

radiationsstasis

State of inactivity

stillness · inertness · dormancy · quiescence · inactivity

DISPERSAL vs. CONCENTRATION

radiationsabsorptions

Acts of taking in

concentrations · convergences · accumulations · focusing · convergence

Phrases
Family

radiation, irradiation

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Negative · Everyday, not technical · Rated G