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The meaning of ANIMAL is any of a kingdom (Animalia) of living things including many-celled organisms and often many of the single-celled ones (such as protozoans) that typically differ from plants in having cells without cellulose walls, in lacking chlorophyll and the capacity for photosynthesis, in requiring more complex food materials (such ...
Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia (/ ˌænɪˈmeɪliə / [4]). With few exceptions, animals consume organic material, breathe oxygen, have myocytes and are able to move, can reproduce sexually, and grow from a hollow sphere of cells, the blastula, during embryonic development.
a living thing that can move and eat and react to the world through its senses, esp. of sight and hearing: Mammals, insects, reptiles, and birds are all animals. In ordinary use, animal means all living beings except humans: A lion is a wild animal, and a dog is a domestic animal.
Animals are multicellular eukaryotes whose cells are bound together by collagen. Animals dominate human conceptions of life on Earth because of their size, diversity, abundance, and mobility. The presence of muscles and mobility is one of the primary characteristics of the animal kingdom.
An animal is a living creature such as a dog, lion, or rabbit, rather than a bird, fish, insect, or human being. He was attacked by wild animals. He had a real knowledge of animals, birds and flowers.
ANIMAL meaning: 1 : a living thing that is not a human being or plant often used to refer specifically to mammals as distinguished from other living things (such as fish and birds); 2 : any living thing that is not a plant
There are seven meanings listed in OED's entry for the noun animal, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.
Animal - Multicellular, Heterotrophic, Eukaryotes: A characteristic of members of the animal kingdom is the presence of muscles and the mobility they afford. The muscles that distinguish animals from plants or fungi are specializations of the actin and myosin microfilaments common to all eukaryotic cells.
Animal definition: any member of the kingdom Animalia, comprising multicellular organisms that have a well-defined shape and usually limited growth, can move voluntarily, actively acquire food and digest it internally, and have sensory and nervous systems that allow them to respond rapidly to stimuli.
something that lives and moves but is not a person, bird, fish, or insect: a wild animal. She's a real animal lover. Fewer examples. a helpless animal. an animal rights campaigner. Many species of animal are threatened with extinction. The disease affects both humans and animals.