"morphology" in the noun sense
1. morphology
the branch of biology that deals with the structure of animals and plants
2. morphology
studies of the rules for forming admissible words
3. morphology, sound structure, syllable structure, word structure
the admissible arrangement of sounds in words
4. morphology, geomorphology
the branch of geology that studies the characteristics and configuration and evolution of rocks and land forms
Source: WordNet® (An amazing lexical database of English)
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