A BMI between 18.5 and 24.9 is considered healthy for women over age 20 according to the Centers for Disease Control and Prevention. BMI ranges are the same for men and women over age 20, but they differ by age and sex for children and teenagers.
SHARE SHARE TWEET EMAIL. In general usage, a buffer is something that serves as a protective barrier. There are at least two different meanings for the word in electronics vernacular. A buffer in circuit design is an amplifier that provides an interface between mismatched circuit elements. In computer science, the term refers to a memory device used for temporary storage.
Buffer. Definition. noun, plural: buffers. (1) (chemistry) A buffer solution: a solution containing either a weak acid and a conjugate base or a weak base and a conjugate acid, used to stabilize the pH of a liquid upon dilution.n ecology, a buffer species is a plant or an animal that becomes an alternate prey to a predator. This happens when the predator's preferable, usual prey species is scarce or absent. A buffer may also refer to a vegetated area near a stream that plays a conservatory role in the environment.