densitometer

[den-si-tom-i-ter]

noun

1. Photography.,  an instrument for measuring the density of negatives.

2. a densimeter.

densitometer

/ ˌdɛnsɪtəˈmɛtrɪk, ˌdɛnsɪˈtɒmɪtə /

noun

1. an instrument for measuring the optical density of a material by directing a beam of light onto the specimen and measuring its transmission or reflection

Other Word Forms

• densitometric adjective
• densitometry noun

Word History and Origins

Origin of densitometer¹

First recorded in 1900–05; densit(y) + -o- + -meter

Example Sentences

In measuring the brilliance of the lights, the photo analysts had used an instrument called a densitometer.

From Project Gutenberg