Heavier-than-air object Synonyms

Heavier-than-air replaced

Definitions for Heavier-than-air


  • (adjective) relating to an aircraft heavier than the air it displaces

Synonyms for phrase

HO abbreviation

HO is an abbreviation for Heavier-than-air Object
What does HO stand for?
HO stands for "Heavier-than-air Object"

Object replaced

Definitions for Object


  • (noun) something material that can be perceived by the senses
  • (noun) one that has a real and independent existence
  • (noun) something that one hopes or intends to accomplish