How Do You Spell PHOTOPTOMETER?

Pronunciation: [fˌə͡ʊtə͡ʊtˈɒmɪtə] (IPA)

Photoptometer is a technical term used in the field of ophthalmology. The word consists of four syllables and is spelled as /fəʊtəʊptɒmɪtə/. The first syllable is pronounced as "foh-toh", followed by "op-to" in the second syllable. The third syllable is "tom" and the final syllable is "i-ter". The word photoptometer refers to an instrument that measures the intensity of light passing through the eye. This word follows the general pattern of spelling in English where Greek or Latin roots are used in many technical terms.

PHOTOPTOMETER Meaning and Definition

1. A photoptometer is a scientific instrument used for measuring the intensity or brightness of light. Specifically, it is a device that quantitatively determines the ability of an object or substance to emit, transmit, or reflect light. The photoptometer consists of a light-sensitive sensor or photodetector, usually a photomultiplier tube or a photodiode, coupled with an amplifier and a display unit.

   The primary application of a photoptometer is in photometry, the branch of physics focused on the measurement of light and its characteristics. It enables the precise determination of the luminous flux, illuminance, or luminance of a source, allowing for comparative analysis, calibration, or assessment of photometric quantities.

   The operation of a photoptometer typically involves the sensor being exposed to the light source of interest. The amount of light hitting the sensor is converted into an electrical signal that is amplified and displayed as a readable numerical value. This allows for accurate and reliable measurements, ensuring consistency and providing quantitative data for scientific research, industrial testing, or various applications where light intensity is a crucial factor.

   With advancements in technology, modern photoptometers may also incorporate additional features, such as wavelength selection, spectral analysis, or computer interface capabilities, enabling more extensive and detailed measurements for various light sources and different applications ranging from astronomy to environmental monitoring.

2. Foerster's optometer.

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

Common Misspellings for PHOTOPTOMETER

• photoptometgr
• photoptomete2
• photoptometeb
• photoptometez
• photoptometev
• photoptometep
• photoptometes
• phoetoptometer
• photoptomeatr
• photwoptwometer
• photooptoometer
• ph otoptometer
• pho toptometer
• phot optometer
• photopt ometer
• photopto meter
• photoptom eter
• photoptome ter
• photoptomet er
• photoptomete r

Etymology of PHOTOPTOMETER

The word "photoptometer" is derived from two ancient Greek words: "photo" meaning "light", and "ptoma" meaning "fall" or "something fallen". These roots suggest the concept of measuring or detecting the fall or intensity of light, which aligns with the function of a photoptometer – an instrument used to measure or compare the intensity of light.