Endospores are hardy, defensive structures that enable some bacteria to survive harmful environmental conditions, such as starvation, high temperatures, desiccation (drying out), chemical disinfectants and extremes in pH.
Recursive formula is a formula that is used to determine the next term of a sequence using one or more of the preceding terms.
Dictionary entry overview: What does formula mean? â¢ FORMULA (noun) The noun FORMULA has 7 senses: 1. a group of symbols that make a mathematical statement 2. directions for making something 3. a conventionalized statement expressing some fundamental principle 4. a representation of a substance using symbols for its constituent elements