amid-
Word Origin
1 
variant of amido- before a vowel:
amidase.
Origin
1870-75
Related Words
- amidase
- amidate
- amidine
- amido-
- amidol
1873 Watts Fownes'Chem. 681Amidacetic Acid is formed by the action of ammonia on bromacetic or chloracetic acid. 
1877 Ibid. II. 467Amidazobenzene..forms the chief constituent of commercial aniline yellow. 
☞ amid-, amido-
amid-
combining form 
or amido-
Etymology: International Scientific Vocabulary, from amide 
1. : containing the group NH2 characteristic of amides united to a radical of acid character 
< amidosulfuric >
— distinguished from amin-
2. : amin- 
< amidophenol >
3. : containing the radical — CONH — characteristic of polyamides, peptides, and proteins 
or amido-
1.
< amidosulfuric >
— distinguished from amin-
2.
< amidophenol >
3.