IPA: /ˌspaɪrəˈkiːtəl/
KK: /spɪroʊˈkiːtəl/
Relating to a type of bacteria that are long, spiral-shaped and can cause diseases in humans and animals.
The doctor diagnosed the patient with a spirochetal infection after reviewing the test results.
Spirochetal is derived from "spirochete" (from New Latin *spirochaeta*, meaning a type of bacteria with a spiral shape) and the suffix "-al" (meaning pertaining to). The term "spirochetal" refers to something that is related to or characteristic of spirochetes, the spiral-shaped bacteria.
Think of 'spirochete' as a spiral-shaped bacterium, and remember that 'spirochetal' means something related to these spiral bacteria.
No commonly confused words.