Acrodont – Definition & Meaning

Acrodont is a term that is not commonly used in everyday language, but it is an important term in the field of biology. It refers to a specific type of tooth attachment in reptiles and some fish. In this article, we will explore the definition and meaning of acrodont, as well as its origin, associations, synonyms, antonyms, and usage in example sentences.


Acrodont is a term used to describe a type of tooth attachment in which the teeth are fused to the top of the jawbone, rather than being embedded in sockets. This type of attachment is found in some reptiles, such as lizards and chameleons, as well as some fish.


The term acrodont comes from the Greek words “akros,” meaning “highest,” and “odont,” meaning “tooth.” It was first used in the 19th century by biologists studying reptiles and fish.

Meaning in different dictionaries

The term acrodont is not commonly found in general dictionaries, but it can be found in specialized biology dictionaries. For example, the online Merriam-Webster dictionary defines acrodont as “having the teeth attached to the top of the jawbone.”


Acrodont teeth are typically small and not very strong, which limits the types of food that animals with this type of tooth attachment can eat. However, this attachment type does allow for a greater range of jaw movement, which can be beneficial for catching prey or avoiding predators.


There are not many synonyms for acrodont, as it is a very specific term. However, some related terms include pleurodont (teeth attached to the side of the jawbone) and thecodont (teeth embedded in sockets).


The antonym of acrodont is alveolodont, which refers to teeth that are embedded in sockets.

The same root words

The root words in acrodont are “akros,” meaning “highest,” and “odont,” meaning “tooth.” Other words that use these root words include acrocephaly (a condition in which the head is abnormally shaped), acromegaly (a disorder caused by excess growth hormone), and odontologist (a dentist who specializes in teeth).

Example Sentences

  1. The chameleon’s acrodont teeth allow it to catch insects with ease.
  2. Fish with acrodont teeth may have difficulty biting through tough plant material.
  3. The difference between acrodont and pleurodont teeth is an important distinction for biologists studying reptiles.
  4. The thecodont attachment of human teeth allows for a strong bite force.
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