| var. of galacto- before a vowel: galactagogue. |
| a combining form meaning “milk,” used in the formation of compound words: galactopoietic. |

| galact- pref. Variant of galacto-. |
| galacto- or galact- pref. Milk: galactose. [From Greek galakto-, from gala, galakt-, milk; see melg- in Indo-European roots.] |
galacto- or galact-
pref.
Milk: galactotherapy.