Actinometer

Pronunciation: /ækˈtɪnəˌmɪtər/

Definitions of actinometer

noun a device used to measure the intensity of radiant energy, especially solar radiation

Example Sentences

A1 An actinometer is a device used to measure the intensity of sunlight.

A2 Scientists use an actinometer to study the effects of sunlight on different materials.

B1 The actinometer is an essential tool for researchers studying solar radiation.

B2 The actinometer provides accurate measurements of solar energy for solar panel efficiency studies.

C1 Advanced actinometers are equipped with sophisticated sensors for precise solar radiation measurements.

C2 Researchers rely on actinometers to gather data for climate change studies and solar energy research.

Examples of actinometer in a Sentence

formal The scientist used an actinometer to measure the intensity of sunlight.

informal I heard that an actinometer is a device used to measure sunlight.

slang Hey, did you know there's this thing called an actinometer that measures sunlight?

figurative Her smile was like an actinometer, bright and radiant.

Grammatical Forms of actinometer

• past tense: actinometered
• plural: actinometers
• comparative: more actinometric
• superlative: most actinometric
• present tense: actinometer
• future tense: will actinometer
• perfect tense: have actinometered
• continuous tense: is actinometering
• singular: actinometer
• positive degree: actinometer
• infinitive: to actinometer
• gerund: actinometering
• participle: actinometered

Origin and Evolution of actinometer

First Known Use: 1730 year

Language of Origin: Greek

Story behind the word: The word 'actinometer' originated from the Greek words 'aktinos' meaning 'ray' and 'metron' meaning 'measure'.

Evolution of the word: Originally used to refer to a device that measures the heating power of radiation, the term 'actinometer' has evolved to also encompass instruments that measure the intensity of light or radiation in various scientific fields.