Definition of ystom. Meaning of ystom. Synonyms of ystom

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Definition of ystom

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Amblystoma Mexicanum
Siredon Si*re"don, n. [NL., from Gr. ??? a siren.] (Zo["o]l.) The larval form of any salamander while it still has external gills; especially, one of those which, like the axolotl (Amblystoma Mexicanum), sometimes lay eggs while in this larval state, but which under more favorable conditions lose their gills and become normal salamanders. See also Axolotl.
Bathystoma or Haemulon rimator
Tomtate Tom"tate, n. A Florida and West Indian grunt (Bathystoma, or H[ae]mulon, rimator); also, any of various allied species.
Dystome
Dystome Dys"tome, a. [Gr. ? ill, hard + tomo`s cutting, diate`mnein to cut.] (Min.) Cleaving with difficulty. Note: Datolite was called dystome spar by Mohs.
Polystoma
Polystomata Pol`y*stom"a*ta, n. pl. [NL., from Gr. poly`s many + ?, ?, mouth.] (Zo["o]l.) A division of trematode worms having more two suckers. Called also Polystomea and Polystoma.
Polystomata
Polystomata Pol`y*stom"a*ta, n. pl. [NL., from Gr. poly`s many + ?, ?, mouth.] (Zo["o]l.) A division of trematode worms having more two suckers. Called also Polystomea and Polystoma.
Polystome
Polystome Pol"y*stome, a. [Gr. ? many-mouthed; poly`s + sto`ma mouth.] (Zo["o]l.) Having many mouths.
Polystome
Polystome Pol"y*stome, n. (Zo["o]l.) An animal having many mouths; -- applied to Protozoa.
Polystomea
Polystomata Pol`y*stom"a*ta, n. pl. [NL., from Gr. poly`s many + ?, ?, mouth.] (Zo["o]l.) A division of trematode worms having more two suckers. Called also Polystomea and Polystoma.
Tanystomata
Tanystomata Tan`y*stom"a*ta, n. pl. [NL., fr. Gr. ? to stretch + ?, ?, mouth.] (Zo["o]l.) A division of dipterous insects in which the proboscis is large and contains lancelike mandibles and maxill[ae]. The horseflies and robber flies are examples.
Trachystomata
Trachystomata Tra`chy*stom"a*ta, n. pl. [NL., fr. Gr. ? rough + stoma.] (Zo["o]l.) An order of tailed aquatic amphibians, including Siren and Pseudobranchus. They have anterior legs only, are eel-like in form, and have no teeth except a small patch on the palate. The external gills are persistent through life.

Meaning of ystom from wikipedia