lacti-

American  

1. variant of lacto-.

   lactiferous.

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Usage

What does lacti- mean? Lacti- is a combining form used like a prefix meaning “milk.” In terms from chemistry, it used to specifically mean "lactate" or "lactic acid." It is occasionally used in scientific and medical terms. Lacti- comes from Latin lac (stem lact-), meaning “milk.” The Latin cognate of lac is gála (stem galakt-), also meaning “milk,” which is the source of galaxy. To learn more, check out our Words That Use articles on galacto- and galact-. What are variants of lacti-?Lacti- is a variant of lacto- or lact- that is used when combined with words or word elements that begin with the consonants -f- or -g-. Want to know more? Read our Words That Use articles about lacto- and lact-.