Hree

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Initialism of heavy rare earth element. abbreviation, alt-of, initialism

    "Due to the lanthanide contraction phenomenon, the REE are further divided into larger LREE (light Ln, La–Sm), medium MREE (Sm–Dy) and smaller HREE (heavy Ln, Tb–Lu and Y)."

Example

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"Due to the lanthanide contraction phenomenon, the REE are further divided into larger LREE (light Ln, La–Sm), medium MREE (Sm–Dy) and smaller HREE (heavy Ln, Tb–Lu and Y)."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.