How Do You Spell ACTINOMETER?

Pronunciation: [ˌaktɪnˈɒmɪtə] (IPA)

Actinometer, pronounced æktəˈnɒmɪtə, is a tool used to measure the intensity of radiation or light. The spelling of this word is derived from the Greek word "aktis" meaning ray or beam and "metron" meaning measure. The phonetic transcription for actinometer is æktəˈnɒmɪtə, which is represented by the symbols in the International Phonetic Alphabet. Pronunciation of this word includes emphasis on the second syllable, and the "o" is pronounced with a short "o" sound, rather than a long "o" sound as in the word "ocean".

ACTINOMETER Meaning and Definition

1. An actinometer is a scientific instrument used to measure the intensity of radiant energy, especially light. It is designed to quantify the amount of radiation received from the sun or other sources. The word "actinometer" originates from the Greek words "aktis" meaning "ray" and "metron" meaning "measure."

   Actinometers can be used in various fields such as meteorology, physics, and photography, depending on the specific application. In meteorology, they are used to measure the amount of solar radiation received on the Earth's surface. By determining the intensity of sunlight, actinometers assist in studying weather patterns, evaporation rates, and their impact on climate.

   An actinometer typically consists of a glass or metal globe filled with a light-sensitive substance, such as silver chloride, which undergoes a chemical reaction when exposed to radiant energy. The reaction results in a change in color or hue, which can be visually compared to a standardized scale to determine the intensity of the radiation.

   In photography, actinometers are used to measure the exposure time required to obtain a desired level of photographic material darkening. This helps photographers determine the appropriate shutter speed or aperture setting for capturing images accurately.

   Overall, actinometers play a crucial role in scientific research, providing valuable data on the measurement and understanding of radiant energy, making them an essential tool in various scientific disciplines.

2. An instrument for determining the intensity and penetrating power of Roentgen and other rays.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

3. An instrument for measuring at any instant the direct heating power of the solar rays.

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

Common Misspellings for ACTINOMETER

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Etymology of ACTINOMETER

The word "actinometer" is derived from the Greek words "aktis", meaning "ray" or "beam", and "metron", meaning "measure". The term was coined in the early 19th century to describe a device used for measuring the intensity of radiation, particularly of sunlight. The "actin-" prefix refers to the measurement of radiation, while "-meter" signifies a device used for measurement.

Similar spelling words for ACTINOMETER

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Plural form of ACTINOMETER is ACTINOMETERS