adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A particle, etc. in the metastable state.

Adjective

1. 1
   Of or pertaining to a physical or chemical state that is relatively long-lived, but may decay to a lower energy state when slightly perturbed or through a quantum transition. not-comparable

Adjective

1. 1
   (of physical systems) continuing in its present state of equilibrium unless sufficiently disturbed to pass to a more stable state of equilibrium wordnet

Synonyms

All synonyms

mesostable

Etymology

From meta- + stable.

Related phrases

metastable isomerlong lived

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