adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of or pertaining to an early or original race or lineage; primitive. not-comparable
2. 2
   Relating to crystalline or fire-formed rocks. not-comparable
3. 3
   Relating to intercellular spaces formed within undifferentiated plant tissues. not-comparable

Synonyms

All synonyms

aboriginalbasalbasiccentralcrucialelemental

Etymology

From proto- + -genic.

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