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.
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
Genes are expressed through the process of protein synthesis. This elaborate tutorial provides an in-depth review of the..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..