Actiniferous – Definition & Meaning

Actiniferous is a term that is not commonly used in everyday language, but it can be found in scientific literature and technical discussions. In this article, we will explore the definition and meaning of actiniferous, its origin, and its associations. We will also look at synonyms and antonyms of the term, as well as examples of its usage.


Actiniferous is an adjective that describes something that has rays or tentacles, or that is characterized by radiating structures. The term is often used to describe certain types of marine animals, such as jellyfish, sea anemones, and corals, which have tentacles or stinging structures called nematocysts.


The word actiniferous is derived from the Greek words “aktis” (ray) and “phoros” (bearing). The term was first used in the early 19th century to describe the radiating structures found in certain animals.

Meaning in different dictionaries

Actiniferous is not a commonly used term, and it may not be found in all dictionaries. However, some online dictionaries define it as “having rays or tentacles” or “bearing radiating structures”.


Actiniferous is often associated with marine animals that have tentacles or stinging structures. These animals use their tentacles to capture prey or defend themselves from predators. Actiniferous can also be associated with radiating structures in other contexts, such as in physics or astronomy.


Some synonyms for actiniferous include radiating, tentacled, and tentacular. These terms are often used to describe the same types of animals or structures as actiniferous.


There are no direct antonyms for actiniferous, as the term is quite specific in its meaning. However, antonyms for related terms might include non-radiating or non-tentacled.

The same root words

The root words of actiniferous, “aktis” and “phoros”, are also found in other scientific terms. For example, the word “actinometer” refers to an instrument that measures the intensity of radiation, while “phoresy” describes a type of symbiotic relationship between two organisms in which one is carried by the other.

Example Sentences

Here are a few examples of how actiniferous might be used in a sentence:

  • The actiniferous tentacles of the jellyfish were a beautiful sight, but also a warning to swimmers to stay away.
  • The coral reef was teeming with actiniferous creatures, each with its own unique radiating structures.
  • The physicist used an actiniferous device to measure the intensity of radiation in the laboratory.
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