There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
DENSITOMETRY
densitometry
(noun) measuring the optical density of a substance by shining light on it and measuring its transmission
Source: WordNet® 3.1
Noun
densitometry (countable and uncountable, plural densitometries)
The measurement of optical density by use of a densitometer.
The measurement of body density.
Source: Wiktionary
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17 May 2025
ANTHOZOAN
(noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
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