The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
COSET
Etymology
Noun
coset (plural cosets)
(algebra, group theory) The set that results from applying a group's binary operation with a given fixed element of the group on each element of a given subgroup.
Usage notes
Mathematically, given a group with binary operation , element and subgroup , the set , which also defines the left coset if is not assumed to be abelian.
The concept is relevant to the (mathematical) definitions of normal subgroup and quotient group.
Anagrams
• Coste, OTECs, ScotE, cotes, scote
Source: Wiktionary
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Word of the Day
2 April 2025
COVERT
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
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