auxin

noun/ˈɔksɪn/

Frequency rank: #19,588 of 20,003 in the WORDED list (wordfreq data)

Meaning

a plant hormone that promotes cell elongation and regulates growth direction

Illustration for the English word “auxin”

Example sentence

Plant researchers discovered that auxin controls the direction of stem growth toward light.

Synonyms & related words

More words in ranks 19,501–19,600