diaphanometer

[ dahy-af-uh-nom-i-ter ]

noun

1. an instrument for measuring the transparency of a solid, liquid, or gas.

Other Words From

• di·aph·a·no·met·ric [dahy-af-, uh, -n, uh, -, me, -trik], adjective
• di·apha·nome·try noun

Word History and Origins

Origin of diaphanometer¹

First recorded in 1780–90; diaphan(ous) + -o- + -meter