ˌspīrəˈlāsēˌē noun plural
Usage: capitalized
Etymology: New Latin, from Spirillum + -aceae
: a family comprising rigid more or less spirally curved elongate bacteria that lack endospores and always divide transversely and are sometimes included as a tribe in Pseudomonadaceae
• spi·ril·la·ceous | ̷ ̷ ̷ ̷|lāshəs adjective