New Collegiate Dictionary. 2001.
Ascidian — As*cid i*an, n. [Gr. ? bladder, pouch.] (Zo[ o]l.) One of the Ascidioidea, or in a more general sense, one of the Tunicata. Also as an adj. [1913 Webster] || … The Collaborative International Dictionary of English
ascidian — [ə sid′ē ən] n. [< ModL < Gr askidion: see ASCIDIUM] any of a class (Ascidiacea) of fixed tunicates; sea squirt … English World dictionary
ascidian — /euh sid ee euhn/, Zool. n. 1. any solitary or colonial tunicate of the class Ascidiacea, exhibiting in the larval stage the vertebrate characteristics of a notocord and hollow nerve cord. adj. 2. belonging or pertaining to the class Ascidiacea.… … Universalium
ascidian — noun Any member of the class Ascidiacea (the sea squirts) … Wiktionary
ascidian — [ə sɪdɪən] noun Zoology a sea squirt. Origin C19: from mod. L. plural Ascidia (genus name), from Gk askidion, dimin. of askos wineskin … English new terms dictionary
ascidian — as·cid·i·an … English syllables
ascidian — as•cid•i•an [[t]əˈsɪd i ən[/t]] n. 1) zool. any tunicate of the class Ascidiacea, having in the larval stage a notochord, a characteristic of the embryonic vertebrate 2) zool. belonging or pertaining to the class Ascidiacea • Etymology: 1855–60;… … From formal English to slang
ascidian — /əˈsɪdiən/ (say uh sideeuhn) noun 1. a sea squirt, a sessile protochordate. –adjective 2. of or belonging to the Ascidiacea or Tunicata. {ascidi(um) + an} …
ascidian — n. sea squirt … Dictionary of difficult words
ascidian — n. Zool. any tunicate animal of the class Ascidiacea, often found in colonies, the adults sedentary on rocks or seaweeds, e.g. the sea squirt. Etymology: mod.L Ascidia f. Gk askidion dimin. of askos wineskin … Useful english dictionary
