PHYSICAL ENTITY Meaning and
Definition
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A physical entity refers to an object or substance that exists in the physical world and can be observed and measured. It is typically composed of matter and occupies space. Physical entities can include various forms such as living organisms, inanimate objects, or natural phenomena. These entities are objective and tangible, possessing properties that can be described and identified.
Living organisms, such as plants, animals, and humans, are considered physical entities as they have a physical body made up of cells and biological structures. Inanimate objects like tables, chairs, and buildings are also physical entities, as they are made up of materials and have a tangible presence.
Natural phenomena, such as lightning, earthquakes, or rain, can also be categorized as physical entities. They may not possess a concrete material form, but they still exhibit measurable attributes and have an impact on the physical world.
Physical entities are characterized by their ability to interact with other entities and their surroundings. They can undergo changes in their physical properties, such as size, shape, or temperature, and can be influenced by external forces like gravity or friction.
In summary, a physical entity refers to a discernible object or substance that exists in the physical realm, possessing properties that can be observed, measured, and interacted with.
Etymology of PHYSICAL ENTITY
The word "physical" originates from the Latin word "physicus", which comes from the Greek word "physis", meaning "nature" or "natural". It is derived from the verb "phuo", meaning "to produce" or "to emerge".
The term "entity" has its roots in the Latin word "ens" or "entitas", which is the present participle of the verb "esse" meaning "to be".
When combined, "physical entity" refers to something that exists in the physical realm or is tangible and can be perceived through the senses.
