Define vertebrate: any of a subphylum (Vertebrata) of chordates that comprises animals (such as mammals, birds, reptiles, â¦ â vertebrate in a sentence any of a subphylum (Vertebrata) of chordates that comprises animals (such as mammals, birds, reptiles, amphibians, and fishes) typically having aâ¦ See the full definition
Definition of LIGNITE. : a usually brownish black coal intermediate between peat and bituminous coal; especially: one in which the texture of the original wood is distinct âcalled also brown coal.
alginate. a salt of alginic acid, a colloidal substance from brown seaweed; used, in the form of calcium, sodium or ammonium alginate, as foam, clot or gauze for absorbable surgical dressings. a salt of alginic acid (e.g., sodium alginate), which, when mixed with water in accurate proportions, forms an irreversible hydrocolloid gel used for making impressions or molds of the denti-tion. See also hydrocolloid, irreversible.