hartree

Fetched 2026-10-26 (cache).

Synonyms: hattree

Antonyms: hattree

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|Q476572}} The atomic unit of energy, defined as 2''R_∞hc'', where ''R_∞'' is the [[Rydberg constant]], ''h'' is the [[Planck constant]] and ''c'' is the [[speed of light]]. It equals 4.35974 [[attojoule]]s.

Proper noun

1. {{surname|en}}.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.