adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Chlorination (typically of water) before some other process.
2. 2
   chlorination prior to another chemical process wordnet

Adjective

1. 1
   Before chlorination. not-comparable

Antonyms

All antonyms

postchlorination

Etymology

From pre- + chlorination.

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