great duckweed

1. 1.

   cosmopolitan except South America and New Zealand and some oceanic islands

   Synonymswater flaxseedSpirodela polyrrhiza

   Broaderduckweed

   Part ofSpirodela

Questions about great duckweed

What does great duckweed mean?

great duckweed means "cosmopolitan except South America and New Zealand and some oceanic islands".

What is another word for great duckweed?

Close synonyms include water flaxseed, Spirodela polyrrhiza. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is great duckweed a common word?

great duckweed is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.