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.
SUBSONIC
subsonic
(adjective) (of speed) less than that of sound in a designated medium; “aircraft flying at subsonic speeds”
Source: WordNet® 3.1
Etymology
Adjective
subsonic (not comparable)
(of a sound, scientific) having a frequency too low to be audible
(of a sound, literary) very quiet, almost inaudible
(of a speed) (aviation) less than the speed of sound (in the same medium, and at the same temperature and pressure)
(fluid mechanics, of a flow) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources)
Noun
subsonic (plural subsonics)
an aircraft whose maximum speed is less than the speed of sound
Source: Wiktionary
Recent Word Finds
Word of the Day
3 May 2025
DESIRABLE
(adjective) worth having or seeking or achieving; “a desirable job”; “computer with many desirable features”; “a desirable outcome”
Coffee Trivia
