English Explanatory Dictionary

amorphous

English dictionary entry

Meanings

adj
  1. Lacking a definite form or clear shape.
  2. Being without definite character or nature.
  3. Lacking organization or unity.
  4. In the non-crystalline solid state of, or being a non-crystalline counterpart to, a crystalline solid.
  5. Infinite and not the disjoint union of two infinite subsets.

Pronunciation

/əˈmɔ(ɹ)fəs/ /eɪˈmɔ(ɹ)fəs/ en-us-amorphous.ogg

Word forms

amorphous more amorphous most amorphous

Etymology

From Ancient Greek ἄμορφος (ámorphos, “without form, shapeless, deformed”) (itself from ἀ- (a-, “without”) + μορφή (morphḗ, “form”) + -ous. By surface analysis, a- + -morphous.

Synonyms

amorphic amorphous formless shapeless unshaped unshapely noncrystalline

Antonyms

misshapen shapely structured well-defined crystalline crystal

Derived words

amorphism amorphous carbon amorphously amorphousness phosphopeptide-amorphous polyamorphous
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