Learn how to say Discardable correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word discard:
get rid of (someone or something) as no longer useful or desirable:
Hilary bundled up the clothes she had discarded
(in bridge, whist, and similar card games) play (a card that is neither of the suit led nor a trump), when one is unable to follow suit:
West led a heart and East was able to discard his club loser
a thing rejected as no longer useful or desirable.
(in bridge, whist, and similar card games) a card played which is neither of the suit led nor a trump, when one is unable to follow suit.
late 16th century (originally in the sense ‘reject (a playing card’)): from dis- (expressing removal) + the noun card1