How Do You Spell IRRADIANCE?

Pronunciation: [ˈɪɹe͡ɪdˌi͡əns] (IPA)

Irradiance is a scientific term referring to the intensity of radiation hitting a surface area. The word is spelled with a double "r" after the first vowel because it is derived from the Latin word "irradiare" meaning to shine upon or illuminate. The phonetic transcription of the word is /ɪˈreɪ.di.əns/, with the stress on the second syllable. The "rr" in the second syllable is pronounced with a trill /r/ sound, while the final "e" is pronounced with a schwa /ə/ sound.

IRRADIANCE Meaning and Definition

1. Irradiance is a term used in physics and radiometry to describe the amount of radiant flux incident on a surface per unit area. It represents the power of electromagnetic radiation, such as visible light or ultraviolet radiation, that falls onto a given surface area.

   More precisely, irradiance is defined as the rate at which radiant energy is transferred across a specific area perpendicular to the direction of the radiation. It is typically denoted by the symbol "E" and has the unit watts per square meter (W/m²).

   Irradiance is an essential parameter to understand the intensity of radiant energy that a surface receives. It serves as a measure of the power density of the electromagnetic radiation hitting the surface, indicating how concentrated the energy is in a given area. For example, high irradiance values would indicate that a surface is receiving a significant amount of radiation per unit area, while low irradiance values would suggest a lower energy flux.

   The concept of irradiance is extensively used in various fields, including solar energy studies, environmental monitoring, optical characterization, and medical applications. In solar energy applications, it helps quantify the amount of sunlight hitting a solar panel to determine its potential for energy conversion. In medical physics, irradiance is relevant for estimating the amount of radiation delivered to a specific area during treatments involving radiotherapy or phototherapy. Overall, irradiance plays a crucial role in understanding the radiant energy distribution and its impact on different surfaces and systems.

2. The sending forth rays of light upon an object; lustre.

   Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.

Common Misspellings for IRRADIANCE

• urradiance
• jrradiance
• krradiance
• orradiance
• 9rradiance
• 8rradiance
• ieradiance
• idradiance
• ifradiance
• itradiance
• i5radiance
• i4radiance
• ireadiance
• irdadiance
• irfadiance
• irtadiance
• ir5adiance
• ir4adiance
• irrzdiance
• irradiace
• irraidance
• Irridiance
• irraddiancy
• Irridiancy

Etymology of IRRADIANCE

The word "irradiance" is derived from the Latin word "irradiare", which means "to illuminate" or "to shine upon". The Latin word is a combination of the prefix "ir-" (meaning "into" or "upon") and the verb "radiare" (meaning "to emit rays" or "to shine"). From this Latin root, "irradiance" was formed to specifically refer to the radiant flux incident on a surface area, especially in the context of electromagnetic waves or energy.

Plural form of IRRADIANCE is IRRADIANCES