Synonyms for

Ppm

Verb / ˈpi:ˈpi:ˈem / Another word for ppm — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

PPM stands for 'parts per million'. It is a unit of measurement used to express very small concentrations of a substance in a solution or gas.

Synonyms & similar words

percentage proportion fraction amount measure quantity density concentration content composition purity

Example sentences

  1. The safe level of lead in drinking water is 15 ppm.
  2. The carbon dioxide concentration in the atmosphere is currently around 415 ppm.
  3. The concentration of salt in seawater is about 35,000 ppm.
  4. The company was fined for emitting 500 ppm of sulfur dioxide into the air.
  5. The recommended level of chlorine in a swimming pool is 1-3 ppm.

Quotes

  • 'The world's oceans are currently absorbing about 2 billion tons of carbon dioxide per day, which is about 22 million tons per hour, or 2,000 times the average flow of the Amazon River.' - Peter Diamandis
  • 'If we don't take urgent action, we will soon be living in a world that is uninhabitable.' - Greta Thunberg
  • 'The Earth is what we all have in common.' - Wendell Berry

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