bacterial: Related to bacteria, which are single-celled organisms. They can be found almost everywhere on Earth, from the ocean floor to the interiors of animals.

bacteria: (pl. bacterium) a single-celled entity. They inhabit various environments on Earth, including the depths of the ocean and the bodies of plants and animals.

continuous: Uninterrupted or constant. (in mathematics) A defined and unchanging value, usually derived from a mathematical concept. For instance, π (pi) is a constant valued at 3.14… It represents the circumference of a circle divided by its diameter.

equation: In mathematics, an expression indicating that two values are equal. In geometry, equations are frequently utilized to identify the shape of curves and surfaces.

index: A numeral shown as a superscript (a small number positioned at the upper right of base numbers or formulas). The exponent indicates how many times the base or expression should be multiplied.

exponential: A trend or value that escalates significantly. Growth does not remain uniform; instead, it accelerates over time.

petri dish: A shallow, round dish employed for cultivating bacteria and other microorganisms.

solar: The sun, the star at the center of our solar system, located roughly 27,000 light years from the Milky Way’s center. The term can also refer to any star similar to the sun.

universe: The entirety of existence beyond time and space. The universe has been expanding since it originated from the Big Bang approximately 13.8 billion years ago (which may take hundreds of millions of years or more).