What does anhydrous mean?

Definitions for anhydrous
ænˈhaɪ drəsan·hy·drous

This dictionary definitions page includes all the possible meanings, example usage and translations of the word anhydrous.

Princeton's WordNet

  1. anhydrousadjective

    without water; especially without water of crystallization


  1. anhydrousadjective

    having little or no water


  1. Anhydrous

    A substance is anhydrous if it contains no water. Many processes in chemistry can be impeded by the presence of water; therefore, it is important that water-free reagents and techniques are used. In practice, however, it is very difficult to achieve perfect dryness; anhydrous compounds gradually absorb water from the atmosphere so they must be stored carefully.


  1. anhydrous

    Anhydrous refers to a substance that is free from water or its elements, particularly in the context of chemistry. It typically pertains to compounds or materials that have had all water, including water of crystallization, removed or absent.

Webster Dictionary

  1. Anhydrousadjective

    destitute of water; as, anhydrous salts or acids

  2. Etymology: [Gr. wanting water; 'an priv. + "y`dwr water.]


  1. Anhydrous

    As a general term, a substance is said to be anhydrous if it contains no water. The way of achieving the anhydrous form differs from one substance to another. That is to say, anhydrous matter is prepared or used as a form with no water, and specifically the form of a chemical without water of crystallization.

Chambers 20th Century Dictionary

  1. Anhydrous

    an-hī′drus, adj. a term applied to a chemical substance free from water.—n.pl. Anhy′drides, a term now commonly given to the compounds formerly known as anhydrous acids—in some cases the result of the dehydration of acids, and in all cases representing in their composition the acid minus water.—n. Anhy′drite, a mineral consisting of anhydrous sulphate of lime, with some slight addition of sea-salt, appearing in several varieties—granular, fibrous, radiated and translucent, compact and of various shades—white, blue, gray, red. [Gr. a, an, neg., hydōr, water.]

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  1. Chaldean Numerology

    The numerical value of anhydrous in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of anhydrous in Pythagorean Numerology is: 8

Examples of anhydrous in a Sentence

  1. Brian Hoops:

    Going forward, that corn number is going to change, i just got off the phone with an Iowa farmer. He and his brother don't have any anhydrous (fertilizer applied ahead of corn planting) down and are definitely looking to switch to soybeans.

  2. Dante Lauretta:

    Water probably did circulate through the interior of the asteroid, like a hydrothermal system on Earth, and altered the originally anhydrous rocky material, forming these clays.

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Translations for anhydrous

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"anhydrous." Definitions.net. STANDS4 LLC, 2023. Web. 22 Sep. 2023. <https://www.definitions.net/definition/anhydrous>.

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    the act of catching an object with the hands
    • A. arborolatry
    • B. snap
    • C. helm
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