Hollow axis Synonyms

Definitions for Hollow


  • (adjective) curved inward
  • (noun) a sunken area forming a separate space
  • (noun) an area of lowland between hills or mountains

Synonyms for phrase

HA abbreviation

HA is an abbreviation for Hollow Axis
What does HA stand for?
HA stands for "Hollow Axis"

Axis replaced

Definitions for Axis


  • (noun) a thing or place that is of greatest importance to an activity or interest
  • (noun) an association of persons, parties, or states for mutual assistance and protection
  • (noun) a straight line through a body or figure that satisfies certain conditions