quadrillion

pron, det, n(pl unchanged or ~s 复数或不变或作 quadrillions) (after a or one, a number, or an indication of quantity 用於a或one之後或用於数目或表示数量的词语之後) 1 (Brit) number shown by 1 followed by 24 zeros; one million to the power of 4 *1後有24个0的数; 一百万的4次幂. 2 (US) number shown by 1 followed by 15 zeros; one thousand to the power of 5 *1後有15个0的数; 一千的5次幂.

qr, qt, qto, qty, qua, quack, quack-quack, quackery, quad, quadr(i)-, Quadragesima, quadrangle, quadrangular, quadrant, quadraphonic (also quadrophonic), quadraphony (also quadrophony), quadratic equation, quadrennial, quadrilateral, quadrille, quadrophonic, quadrophony, quadruped, quadruple, quadruplet, quadruplicate, quaff, quagmire, quail, quaint, quaintly, quaintness, quake, Quaker, qualification, qualified, qualifier, qualify, qualitative, qualitatively, quality,