The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
MILLIMICRON
nanometer, nanometre, nm, millimicron, micromillimeter, micromillimetre
(noun) a metric unit of length equal to one billionth of a meter
Source: WordNet® 3.1
Etymology
Noun
millimicron (plural millimicrons)
A unit of length equal to one thousandth of a micron.
Synonyms
• nanometre / nanometer
Source: Wiktionary
Mil"li*mi`cron, n. [Milli- + micron.]
Definition: The thousandish part of a micron or the millionth part of a millimeter; -- a unit of length used in measuring light waves, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition
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16 January 2025
BOOK
(noun) a collection of rules or prescribed standards on the basis of which decisions are made; “they run things by the book around here”
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