Hawaii and California are the only two U.S. states that grow coffee plants commercially.
densitometry
(noun) measuring the optical density of a substance by shining light on it and measuring its transmission
Source: WordNet® 3.1
densitometry (countable and uncountable, plural densitometries)
The measurement of optical density by use of a densitometer.
The measurement of body density.
Source: Wiktionary
10 June 2025
(noun) the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); “communications is his major field of study”
Hawaii and California are the only two U.S. states that grow coffee plants commercially.