Chemical Kinetics Vocabulary

noun a noun is a person, place, thing, or idea. In this case, 'concavity' is a noun referring to the quality of being concave or having a surface that curves inward.

• The concavity of the parabola can be determined by looking at the sign of the coefficient of the x^2 term.
• The concavity of this graph makes it look like a smiley face.
• The concavity of the road ahead is no joke, so drive carefully.
• Her concavity towards authority figures was evident in the way she always followed the rules.

noun the time required for half the amount of a substance to be eliminated or disintegrate

• The half life of a radioactive substance is the time taken for half of its atoms to decay.
• I heard that the half life of that medication is only a few hours.
• Dude, the half life of that energy drink is like, 10 minutes tops.
• The half life of a trend on social media is getting shorter and shorter these days.

noun the quality or state of being metastable

• Metastability is a concept in physics that refers to a stable equilibrium state that is not completely stable and may transition to a different state.
• Metastability is like being in between two choices and not sure which one to go with.
• Metastability is when you're stuck in a state of indecision and can't make up your mind.
• His emotions were in a state of metastability, unsure of whether to express his true feelings or keep them hidden.