Home › Words › B › bethebethebethe means A surname from German.EtymologyFrom German Bethe.nameA surname from German.nounA unit of energy equivalent to 10⁵¹ ergs, or 10⁴⁴ joules.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.hartree 61% match — The atomic unit of energy, defined as 2R_∞hc, where R_∞ is the Rydberg constant, h is the Planck constant and c is the speed of light. It equals 4.35974 attojoules. vs bethe →exajoule 58% match — An SI unit of energy equal to 10¹⁸ joules. Symbol: EJ vs bethe →yottajoule 57% match — One septillion (10²⁴) joules. vs bethe →attojoule 57% match — An SI unit of energy, work, and heat equal to 10⁻¹⁸ joules. Symbol: aJ vs bethe →zeptojoule 56% match — An SI unit of energy equal to 10⁻²¹ joules. Symbol: zJ vs bethe →kiloerg 56% match — A unit of work equal to one thousand ergs. vs bethe →teraelectronvolt 55% match — 10 ¹² electronvolts, abbreviated as TeV. vs bethe →zettahertz 55% match — An SI unit of frequency equal to 10²¹ hertz. vs bethe →