nymphaeaceous

American  

[nim-fee-ey-shuhs] / ˌnɪm fiˈeɪ ʃəs /

adjective

1. belonging to the Nymphaeaceae, the water lily family of plants.

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nymphaeaceous British  

/ ˌnɪmfɪˈeɪʃəs /

adjective

1. of, relating to, or belonging to the Nymphaeaceae, a family of plants, including the water lilies, that grow in water or marshes and have typically floating leaves and showy flowers

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Etymology

Origin of nymphaeaceous

< New Latin Nymphaeace ( ae ) ( Nymphae ( a ) the type genus ( Latin: the water lily (< Greek nymphaîa, noun use of feminine of nymphaîos, sacred to the nymphs; see nymphaeum)) + -aceae -aceae ) + -ous