/ Dictionary / Index B blocking capacitor: Meaning and Definition of Find definitions for: block'ing capac'itor Pronunciation: [key] — Electronics. Electronics. a capacitor used for stopping the passage of direct current from one circuit to another while allowing alternating current to pass. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blocking antibody blockish Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language