noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An element from group 13 of the periodic table which includes boron, aluminium, gallium, indium, and thallium.

Synonyms

All synonyms

boron group elementicosagen

Etymology

From tri- and -el from element.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.