Tonus

Look up tonus in Wiktionary, the free dictionary.

Tonus is the Latin equivalent of the English word tone. It is especially used to refer to:

• Muscle tone, the continuous and passive partial contraction of the muscles
• Arterial tone, the continuous and passive partial contraction of the arterioles
• Tonicity, the ability of a solution to cause water movement
• The Pythagorean interval of 9/8

Tonus is also a brand of fruit juice produced by the Lebedyansky division of PepsiCo in Russia

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