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Definition of einstein

einstein

/ˈaɪn.staɪn/
ein · stein

Plural:einsteins
•
Adjective:Einsteinian
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einstein Lexical Profile

einstein Game Scores & Validity

• noun

1

(usually capitalized) Someone who possesses extraordinary intellectual brilliance, mathematical talent, or scientific genius.

Example

"You do not have to be an Einstein to figure out that spending more than you earn will eventually lead to debt."


2

A unit of radiant energy used in photochemistry, equal to one mole (Avogadro's number) of photons.

Example

"The laboratory team measured the photosynthetic photon flux density in microeinsteins per square meter per second."


3

In geometry, a single two-dimensional shape (an aperiodic monotile) that can tile an infinite plane without ever forming a repeating pattern.

Example

"Mathematicians celebrated the discovery of the first true einstein tile, a thirteen-sided polygon nicknamed 'the hat'."

Synonyms
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Antonyms
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Word Nuance & Usage

When capitalized as a figurative count noun ('an Einstein'), it refers to an exceptionally intelligent person, though in casual conversation it is frequently used with heavy sarcasm to mock someone who has just stated the obvious or made a foolish mistake.

Word Origin & Etymology

Named after Albert Einstein (1879–1955), the German-born theoretical physicist who developed the theory of relativity. In geometry, the term for a single aperiodic monotile is also a pun on the German phrase 'ein Stein', meaning 'one stone'.

Cite this Entry


Wordmom. (2026). Definition of Einstein. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/einstein
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