°A branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved.
°(obsolete) The study and description of natural objects; natural science.
°A branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved.
°(obsolete) The study and description of natural objects; natural science.