any of various threadlike green algae, esp any of the genus Tribonema, typically occurring in fresh water
[C18: from Latin: a water plant, from confervēre to grow together, heal, literally: to seethe, from fervēre to boil; named with reference to its reputed healing properties]
con'ferval
—adj
con'fervoid
—n, —adj
conferva (kɒnˈfɜːvə)
—n , pl-vae, -vas
any of various threadlike green algae, esp any of the genus Tribonema, typically occurring in fresh water
[C18: from Latin: a water plant, from confervēre to grow together, heal, literally: to seethe, from fervēre to boil; named with reference to its reputed healing properties]