Chemical Properties And Reactions

noun the quality of being steadfast and unchanging

adjective constant or steadfast

• The scientist's research proved the constancy of the laws of physics.
• I admire your constancy in sticking to your workout routine.
• Her constancy in always being there for her friends is truly admirable.
• The constancy of the ocean waves reminded her of the passage of time.

adjective characterized by sudden and severe onset

• The patient presented with fulminant sepsis, requiring immediate intervention.
• The storm hit with fulminant force, knocking down trees and power lines.
• That party was fulminant, everyone was dancing and having a great time.
• Her fulminant temper caused arguments wherever she went.