[ ə'mɔ:fəs ]
■ adjective
1》 without a clearly defined shape or form.
2》 Mineralogy & Chemistry not crystalline, or not apparently crystalline.
Derivatives
~ly adverb
~ness noun
Origin
C18: from mod. L. amorphus , from Gk amorphos 'shapeless' (from a- 'without' + morphē 'form') + -ous .