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.
sudoku
(noun) a number puzzle in which the numbers 1 through 9 must be placed into a grid of cells so that each row or column contains only one of each number
Source: WordNet® 3.1
sudoku (countable and uncountable, plural sudokus)
(games, puzzles) A type of puzzle whose completion requires each of typically nine rows and columns and each of as many usually square subregions to contain, without duplication, the digits from 1 to 9 (or the grid dimension).
• Number Place (US)
Source: Wiktionary
6 May 2025
(adjective) marked by or paying little heed or attention; “We have always known that heedless self-interest was bad morals; we know now that it is bad economics”--Franklin D. Roosevelt; “heedless of danger”; “heedless of the child’s crying”
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.