porpoise noun [C]. âº a âmammal that âlives in the âsea, âswims in âgroups, and âlooks âsimilar to a dolphin but has a âshorter ârounder ânose. (Definition of porpoise from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press). See all translations.
Definition of point of no return. 1  1 : the point in the flight of an aircraft beyond which the remaining fuel will be insufficient for a return to the starting point with the result that the craft must proceed. 2  2 : a critical point at which turning back or reversal is not possible.
We apologize for the confusion.The way our points expiration works is 75% of your rewards that youearned prior to June 30 will expire on August 1. No matter how manypoints you redeem, if there is a remaining balance that was earned priorto June 30, 75% of that remaining balance will expire. To preventyourself from having expiring points on August 1, it is necessary toredeem all of your points that were earned prior to June 30. Please let me know if you having any additional questions at allregarding our expiration policy! -I had $61.20 expiring 8/1/06.