• Step- Definition & Synonyms
- () A prefix used before father, mother, brother, sister, son, daughter, child, etc., to indicate that the person thus spoken of is not a blood relative, but is a relative by the marriage of a parent; as, a stepmother to X is the wife of the father of X, married by him after the death of the mother of X. See Stepchild, Stepdaughter, Stepson, etc.
• Step-down Definition & Synonyms
- (a.) Transforming or converting a current of high potential or pressure into one of low pressure; as, a step-down transformer.