lactic

UK: ˈlaktɪk | US: ˈlæktɪk

Definition

  1. adj. relating to or derived from milk

  2. adj. (chemistry) pertaining to lactic acid or its derivatives

Structure
lact <milk>ic <adjective suffix>
Etymology

lact<milk> + ic<adjective suffix>

  • lact: From Latin lac (genitive lactis), meaning "milk." Retained in scientific terms like lactose and lactation.
  • ic: A suffix forming adjectives, often indicating "related to" or "of the nature of," from Latin -icus (via French -ique).

Etymology Origin:
The word lactic traces back to the Latin lactis (milk), reflecting its direct association with dairy. The suffix -ic was adopted from Latin through French, standardizing its use in scientific terminology (e.g., lactic acid, first isolated from sour milk in 1780). The morphemes preserve a clear link between the source (milk) and its chemical derivatives.

Examples

  1. Yogurt contains lactic acid, which gives it a tangy flavor.

  2. Athletes monitor lactic buildup in muscles during intense exercise.

  3. The study focused on lactic fermentation in dairy products.

  4. Some people experience lactic intolerance due to enzyme deficiency.

  5. Lactic bacteria play a key role in cheese production.