red alga

noun

Definition of red alga 

: any of a division (Rhodophyta) of chiefly marine algae that have predominantly red pigmentation

First Known Use of red alga

1834, in the meaning defined above

Keep scrolling for more

Learn More about red alga

Statistics for red alga

Look-up Popularity

Time Traveler for red alga

The first known use of red alga was in 1834

See more words from the same year

Keep scrolling for more

More Definitions for red alga

red alga

noun

Medical Definition of red alga 

: any of a division (Rhodophyta) of chiefly marine algae that have predominantly red pigmentation

Comments on red alga

What made you want to look up red alga? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

by word of mouth

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!