What is the meaning of liquified?

verb

• Make (a solid substance) liquid, as by heating.
  • usage: "liquefy the silver"
  • synonyms: liquefy, liquify, liquidize, liquidise
• Become liquid or fluid when heated.
  • usage: "the frozen fat liquefied"
  • synonyms: liquefy, flux, liquify

adjective

• Changed from a solid to a liquid state.
  • usage: "rivers filled to overflowing by melted snow"
  • synonyms: melted, liquid
• Reduced to a liquid state.
  • usage: "liquefied petroleum gas"
  • synonyms: liquefied
• Reduced to liquid form by heating.
  • usage: "a mass of molten rock"
  • synonyms: molten, liquefied