Anucleate – Definition & Meaning

The term “anucleate” is not a commonly used word in everyday language, but it has an important meaning in the field of biology. Anucleate refers to cells or organisms that lack a nucleus, which is the central part of a cell that contains genetic material. In this article, we will explore the definition and meaning of anucleate, its origin, associations, synonyms, antonyms, and examples of its usage in sentences.


Anucleate is an adjective that describes a cell or organism that does not have a nucleus. The term is often used in the context of biology, where it refers to cells that have lost their nucleus due to a natural or artificial process. Some examples of anucleate cells include red blood cells, platelets, and some types of fungi.


The word anucleate comes from the Latin word “an-” meaning “without” and “nucleus” meaning “kernel” or “core.” The term was first used in the late 19th century to describe cells that lacked a nucleus.

Meaning in different dictionaries

The meaning of anucleate is consistent across different dictionaries. For example, the Merriam-Webster dictionary defines anucleate as “having no nucleus,” while the Oxford English Dictionary defines it as “lacking a nucleus.”


Anucleate cells are often associated with specific functions in the body. For example, red blood cells are anucleate because they need more space to carry oxygen and carbon dioxide. Platelets are also anucleate and play a crucial role in blood clotting. In fungi, anucleate cells can result from a process called mitotic crossing-over, which can lead to genetic diversity.


Some synonyms for anucleate include:

  • Achromatic.
  • Ametabolic.
  • Anaplastic.
  • Aneurysmal.
  • Aplastic.


Some antonyms for anucleate include:

  • Eukaryotic.
  • Nucleated.
  • Multinucleated.
  • Polynucleated.

The same root words

The word anucleate shares the same root word as other terms in biology, such as:

  • Nucleus.
  • Nuclear.
  • Nucleotide.
  • Nucleolus.

Example Sentences

  • Red blood cells are anucleate cells that transport oxygen and carbon dioxide.
  • Platelets are anucleate cells that play a crucial role in blood clotting.
  • Some types of fungi can have anucleate cells due to mitotic crossing-over.
  • The anucleate state of some cells can be induced by certain chemicals or radiation.
  • Anucleate cells are often used in research to study the effects of genetic material on cell function.
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