# NPK

> English word · Noun

## Definitions
1. Nitrogen, Phosphorus, Potassium (or Potash)

## Etymology
From the chemical symbols for each element, hence K being used for potassium (formerly known as kalium).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/npk