Mammals (class Mammalia /mÉËmeÉªli.É/ from Latin mamma breast) are a clade of endothermic amniotes distinguished from reptiles and birds by the possession of a neocortex (a region of the brain), hair, three middle ear bones and mammary glands.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  burgeoning(Noun) the act of budding or sprouting. 2  burgeoning(Noun) a bud or branch. 3  burgeoning(Noun) a new growth or expansion of something.  burgeoning(Adjective) that buds, grows or expands; developing.
acÂ·cuÂ·muÂ·laÂ·tion. n. 1. The act of gathering or amassing, as into a heap or pile: Little things grew by continual accumulation (Samuel Johnson). 2. The process of growing into a large amount or heap: the steady accumulation of knowledge. 3.