Revolve and React

verb

• Turn on or around an axis or a center.
  • usage: "The Earth revolves around the Sun"; "The lamb roast rotates on a spit over the fire"
  • synonyms: go around, rotate
• Move in an orbit.
  • usage: "The moon orbits around the Earth"; "The planets are orbiting the sun"; "electrons orbit the nucleus"
  • synonyms: orb, orbit
• Cause to move by turning over or in a circular manner of as if on an axis.
  • usage: "She rolled the ball"; "They rolled their eyes at his words"
  • synonyms: roll

• (v.i.) To return; to pass.
• (v.i.) To move in a curved path round a center; as, the planets revolve round the sun.
• (v.i.) To pass in cycles; as, the centuries revolve.
• (v.t.) Hence, to turn over and over in the mind; to reflect repeatedly upon; to consider all aspects of.
• (v.t.) To cause to turn, as on an axis.
• (v.i.) To turn or roll round on or as on, an axis, like a wheel; to rotate, -- which is the more specific word in this sense.

verb

• Show a response or a reaction to something.
  • synonyms: respond
• Act against or in opposition to.
  • usage: "She reacts negatively to everything I say"
  • synonyms: oppose
• Undergo a chemical reaction; react with another substance under certain conditions.
  • usage: "The hydrogen and the oxygen react"

• (v.t.) To act or perform a second time; to do over again; as, to react a play; the same scenes were reacted at Rome.
• (v.i.) To act upon each other; to exercise a reciprocal or a reverse effect, as two or more chemical agents; to act in opposition.
• (v.i.) To return an impulse or impression; to resist the action of another body by an opposite force; as, every body reacts on the body that impels it from its natural state.