auxin
Word Rarity
Very rare
Frequency: 2.18 in modern English
12
Scrabble Score
5
Letters
2
Syllables
5
Unique Chars
Meaning
noun
A class of plant growth substance (often called phytohormones or plant hormones) which play an essential role in coordination of many growth and behavioral processes in the plant life cycle.
Countable; Uncountable
Example Sentences
- "In Arabidopsis roots, cold stress may reduce shootward auxin transport and alter the intracellular auxin gradient."
- "SE onset depends on a complex network of interactions among plant growth regulators, mainly auxins and cytokinins, during the proembryogenic early stages, and ethylene and gibberellic and abscisic acids later in the development of somatic embryos."
Etymology
Etymology tree Ancient Greek αὐξάνω (auxánō) Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ineclip. English -in English auxin From Ancient Greek αὐξάνω (auxánō, “to grow”) + English -in.