photometer
(Science: apparatus, physics) An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power.
Origin: Photo: cf. F. Photometre.
Dictionary > Photometers
You will also like...

Human Perception – Neurology
This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..

Circulation
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..

Protein Synthesis
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..

Abiotic Factors – Water Conditions
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..

A Balanced Diet – Carbohydrates and Fat
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..

Takahē (Porphyrio hochstetteri)
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..