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Medical Term:


Pronunciation: in, en


  1. A suffix used to form the names of chemical substances, including halogens (e.g., chlorine), organic bases (guanine), amino acids (glycine), botanical principles (caffeine), pharmaceuticals (meperidine), and others.
  2. General adj. suffix (e.g., equine, uterine).
  3. Dim. suffix (e.g., cholerine).

[G. -inos,, L. -inus, adj. suffixes]

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