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Pronunciation varies by accent · noun
(photochemistry, dated) One mole of photons, regardless of frequency, as used to measure irradiance..
The einstein (symbol E) is an obsolete unit with two conflicting definitions.
He's a prodigy — they call him their little einstein.
In less poetic terms, an einstein is an “aperiodic monotile,” a shape that tiles a plane, or an infinite two-dimensional flat surface, but only in a nonrepeating pattern. (The term “einstein” comes from the German “ein stein,” or “one stone” — more loosely, “one tile” or “one shape.”)
Use einstein when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Einstein means (photochemistry, dated) One mole of photons, regardless of frequency, as used to measure irradiance..
Common synonyms include boffin, brain, brainiac, bright spark.
The opposite depends on the specific sense.
The einstein (symbol E) is an obsolete unit with two conflicting definitions.
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