Anhydr – Definition & Meaning

Anhydr is a term that is not commonly used in everyday language. However, it is a term that is often found in scientific and medical contexts. Understanding the definition and meaning of anhydr is essential for those who work in these fields.


Anhydr is a prefix that is used to describe a substance that is without water. The prefix “an-” means without, and “hydr” means water. Therefore, the term anhydr refers to any substance that is without water.


The term anhydr comes from the Greek word “anhydros,” which means without water. The prefix “an-” is used in many Greek words to indicate negation or absence.

Meaning in different dictionaries

Anhydr is not a term that is commonly found in dictionaries. However, it may be listed as a prefix in medical or scientific dictionaries. In these dictionaries, anhydr is defined as a substance that is without water.


Anhydr is often associated with dehydration, which is the process of removing water from a substance. Dehydration is commonly used in the food industry to preserve food by removing moisture. In medicine, dehydration can be a serious condition that requires medical attention.


There are several synonyms for anhydr, including anhydrous, dehydrated, and dry.


The antonym of anhydr is hydrated, which means that a substance contains water.

The same root words

The root word “hydr” is used in several other terms, including hydrology, which is the study of water, and hydrophobic, which means that a substance repels water.

Example Sentences

  • The anhydr compound was used in the experiment to ensure that water did not interfere with the results.
  • The dehydrated food was lightweight and easy to transport.
  • The anhydrous solution was used to dissolve the substance.
  • The hydrophobic coating on the surface of the material prevented water from penetrating it.
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