invertible invertible


  • (adj) having an additive or multiplicative inverse


  • April Showers Bring . . . Awesome Umbrellas

    What's being marketed as the only hands-free/non-invertible umbrella, the Nubrella was featured on ABC's Shark Tank and is now available for pre-purchase for $39.99.The regular price, according to the nubrella web site, is $59.99. A small price to pay for the ability to walk and text in the rain. If doggy raincoats and boots weren't enough, there's also a pet umbrella for sale. The handle of the ...
    on April 9, 2014     Source: Good Morning America via Yahoo! News

Word of the Day
affectation affectation
/ˌæ fɛk ˈteɪ ʃən /