In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
SUBSHELL
Etymology
Noun
subshell (plural subshells)
(chemistry, physics) Atomic orbitals for which the values of the n and l quantum numbers are the same, such as the three 2p or five 3d atomic orbitals.
(computing) A child process launched by a shell.
Anagrams
• Bushells
Source: Wiktionary
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11 March 2025
CATECHISM
(noun) an elementary book summarizing the principles of a Christian religion; written as questions and answers
Coffee Trivia
