H-igice cyicyuma nubwoko bwubukungu bwisumbuyeho hamwe nuburyo bunoze bwo kugabana igice hamwe no kugereranya imbaraga zingirakamaro.Yiswe izina kuko igice cyayo ni kimwe ninyuguti yicyongereza “H”.Kuberako ibice byose byicyuma cya H bitondekanye kuruhande rwiburyo, ibyuma bya H-igice bifite ibyiza byo kurwanya kunama gukomeye, kubaka byoroshye, kuzigama ibiciro hamwe nuburemere bwububiko bworoshye mubyerekezo byose, kandi byarakoreshejwe cyane.