Hollow material Synonyms

Hollow replaced

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

HM abbreviation

HM is an abbreviation for Hollow Material
What does HM stand for?
HM stands for "Hollow Material"

Material replaced

Definitions for Material


  • (adjective) relating to or composed of matter
  • (adjective) having great meaning or lasting effect
  • (adjective) having to do with life on earth especially as opposed to that in heaven