The meaning of ORGANISM is a complex structure of interdependent and subordinate elements whose relations and properties are largely determined by their function in the whole.

Several criteria, few of which are widely accepted, have been proposed to define what constitutes an organism. Among the most common is that an organism has autonomous reproduction, …

ORGANISM definition: a form of life composed of mutually interdependent parts that maintain various vital processes. See examples of organism used in a sentence.

Definition of organism noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Add to word list biology a single living plant, animal, or other living thing (Definition of organism from the Cambridge Academic Content Dictionary © Cambridge University Press)

Aug 18, 2025 · An organism is a complete living entity that can perform life processes independently. It represents the fundamental unit of life, whether it is a microscopic bacterium …

An individual form of life, such as a bacterium, protist, fungus, plant, or animal, composed of a single cell or a complex of cells in which organelles or organs work together to carry out the …

Apr 18, 2025 · An organism isn’t just a body that moves or a plant that grows. It’s a self-contained, living system—an intricate orchestration of cells, molecules, and biological processes, all …

Some organisms consist of a single cell, some of many, often of distinct "types". Cells can be highly specialized, yet they all appear related, sharing many molecular and structural details. …

An organism is an animal or plant, especially one that is so small that you cannot see it without using a microscope. Not all chemicals normally present in living organisms are harmless.