单词 | metastable |
释义 | metastable[ met-uh-stey-buhl, met-uh-stey- ] / ˈmɛt əˌsteɪ bəl, ˌmɛt əˈsteɪ- / adjectiveMetallurgy. chemically unstable in the absence of certain conditions that would induce stability, but not liable to spontaneous transformation. Also labile. Physics, Chemistry. pertaining to a body or system existing at an energy level (metastable state ) above that of a more stable state and requiring the addition of a small amount of energy to induce a transition to the more stable state. Origin of metastableFirst recorded in 1895–1900; meta- + stable2 OTHER WORDS FROM metastablemet·a·sta·bil·i·ty [met-uh-stuh-bil-i-tee], /ˌmɛt ə stəˈbɪl ɪ ti/, nounWords nearby metastablemetarubricyte, metascope, metasequoia, metasoma, metasomatism, metastable, Metastasio, metastasis, metastasize, metastatic abscess, metastatic calcification Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for metastableBritish Dictionary definitions for metastablemetastable / (ˌmɛtəˈsteɪbəl) physics / adjective(of a body or system) having a state of apparent equilibrium although capable of changing to a more stable state (of an atom, molecule, ion, or atomic nucleus) existing in an excited state with a relatively long lifetime nouna metastable atom, ion, molecule, or nucleus Derived forms of metastablemetastability, nounCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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