Definitions for tunicate
tu·ni·cate

Princeton's WordNetRate this definition:0.0 / 0 votes

1. tunicate, urochordate, urochordnoun

   primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva

WiktionaryRate this definition:0.0 / 0 votes

1. tunicatenoun

   Any of very many chordate marine animals, of the subphylum Tunicata or Urochordata, including the sea squirts

2. tunicateadjective

   Of or pertaining to these animals.

3. tunicateadjective

   Enclosed in a tunic

WikipediaRate this definition:0.0 / 0 votes

1. Tunicate

   A tunicate is a marine invertebrate animal, a member of the subphylum Tunicata (). It is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords (including vertebrates). The subphylum was at one time called Urochordata, and the term urochordates is still sometimes used for these animals. They are the only chordates that have lost their myomeric segmentation, with the possible exception of the 'seriation of the gill slits'.Some tunicates live as solitary individuals, but others replicate by budding and become colonies, each unit being known as a zooid. They are marine filter feeders with a water-filled, sac-like body structure and two tubular openings, known as siphons, through which they draw in and expel water. During their respiration and feeding, they take in water through the incurrent (or inhalant) siphon and expel the filtered water through the excurrent (or exhalant) siphon. Most adult tunicates are sessile, immobile and permanently attached to rocks or other hard surfaces on the ocean floor; others, such as salps, larvaceans, doliolids and pyrosomes, swim in the pelagic zone of the sea as adults. Various species of the subphylum tunicata are commonly known as ascidians, sea squirts, tunicates, sea pork, sea livers, or sea tulips. The earliest probable species of tunicate appears in the fossil record in the early Cambrian period. Despite their simple appearance and very different adult form, their close relationship to the vertebrates is evidenced by the fact that during their mobile larval stage, they possess a notochord or stiffening rod and resemble a tadpole. Their name derives from their unique outer covering or "tunic", which is formed from proteins and carbohydrates, and acts as an exoskeleton. In some species, it is thin, translucent, and gelatinous, while in others it is thick, tough, and stiff.

ChatGPTRate this definition:0.0 / 0 votes

1. tunicate

   A tunicate is a marine invertebrate animal, also known as a sea squirt, that is part of the subphylum Tunicata, within the phylum Chordata which also includes vertebrates. Tunicates are characterized by a tough outer "tunic" made of cellulose, a sac-like body structure, and two siphons through which water enters and exits the body. They filter feed by drawing water in through one siphon, extracting nutrients, and expelling the water through the other siphon. While mostly sessile as adults, they have a free-swimming larval stage which exhibits features characteristic of chordates, such as a notochord and a dorsal nerve cord.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Tunicateadjective

   alt. of Tunicated

2. Tunicatenoun

   one of the Tunicata

WikidataRate this definition:0.0 / 0 votes

1. Tunicate

   Tunicates, previously known as Urochordata or urochordates, are members of the Tunicata, a subphylum of the phylum Chordata, and are a member of the taxon Protochordata, along with its sister phylum Cephalochordata. They are marine filter feeders with a sac-like body structure. In their respiration and feeding they take in water through an incurrent siphon and expel the filtered water through an excurrent siphon. Most adult tunicates are sessile and attached to rocks or similarly suitable surfaces on the ocean floor; others such as salps, doliolids and pyrosomes swim in the pelagic zone as adults. Various species are commonly known as sea squirts, sea pork or sea tulips. The Tunicata appear to have evolved in the early Cambrian period. Despite their simple appearance and very different adult form, they are a sister subphylum to the Vertebrata.

EntomologyRate this definition:0.0 / 0 votes

1. Tunicate

   composed of concentric layers, enveloping one another: said of antennae when each successive joint is buried in the preceding funnel-shaped one.

Matched Categories

1. • Chordate

Usage in printed sourcesFrom: 

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How to pronounce tunicate?

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How to say tunicate in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of tunicate in Chaldean Numerology is: 2

2. Pythagorean Numerology

   The numerical value of tunicate in Pythagorean Numerology is: 3

Popularity rank by frequency of use

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=tunicate
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Tunicate
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Tunicate
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/tunicate
6. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=tunicate
7. ^ Entomology
   https://www.gutenberg.org/files/22748/22748-h/22748-h.htm#:~:text=tunicate
8. ^ Usage in printed sources
   https://books.google.com/ngrams/graph?content=tunicate