-in

-in

-in¹ [in]

[see -INE³] suffix

1. a neutral carbohydrate [inulin]

2. a glycoside [amygdalin]

3. a protein [albumin]

4. a glyceride [palmitin]

5. an enzyme [rennin]

6. an antibiotic [streptomycin]

7. an alkaloid or a nitrogenous base [codein]: an infrequent variant of -INE³

8. a pharmaceutical preparation [chrysarobin]

9. a commercial product, material, or mixture [algin]

10. an antigen [tuberculin]: Cf. -INE³

-in² [in]

combining form

any of various mass actions or gatherings of a (specified) type, as a political demonstration or a form of entertainment [pray-in, be-in]