Metallurgy. 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 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.
更多metastable例句
The result suggests that at high pressure diamond is what scientists call metastable.
Diamond was already known to be metastable at low pressures.
X-ray measurements of the material’s structure revealed that diamond persisted, suggesting it is metastable under extreme pressure.
To this fact van't Hoff attributes the great permanence of many really unstable (or metastable) carbon compounds.
At any point outside this area, monoclinic sulphur can exist only in a metastable condition.
This law explains the formation of the metastable forms of monotropic substances, which would otherwise not be obtainable.
Two of these solutions, however, would be metastable and supersaturated with respect to the decahydrate.
The dotted portions of the curves represent metastable equilibria.