ronnasecond

名词 n.

英文释义

名词 n.
  1. An SI unit of time equal to 10²⁷ seconds. Symbol: Rs. (= quintillions of years, a hypothetical time span that is meaningless except in speculative contexts such as theoretical physics, philosophy, religion, and humorous hyperbole)
    — Holonym: quettasecond

词形变化

ronnaseconds plural

词源

From ronna- + second.
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