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Definitions from WordNet

Definitions from the Web

Sertularian

Noun: A marine colonial hydroid of the order Sertulariidae, typically having an upright branching or feathery appearance and found in all seas.

Senses:

• Sense 1: A type of marine hydroid.
• Sense 2: A small calcareous tube secreted by a larval coral as its first skeletal element.

Examples:

Noun:

• A diverse range of sertularians can be found in the Great Barrier Reef.
• The intricate structure of a sertularian colony is fascinating to observe under a microscope.

Noun (sense 2):

• The growth of the sertularian tube indicates the initial stages of coral reef formation.
• Scientists have been studying the development of sertularians to better understand coral growth rates.

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