Under pressure, Oxford University Press revealed a list of the entries it no longer felt to be relevant to a modern-day childhood. The deletions includedacorn, adder, ash, beech, bluebell, buttercup,catkin, conker, cowslip, cygnet, dandelion,fern, hazel, heather, heron, ivy, kingfisher,lark, mistletoe, nectar, newt, otter, pastureand willow. The words taking their places in the new edition included attachment, block-graph, blog, broadband, bullet-point,celebrity, chatroom, committee, cut-and-paste, MP3 player and voice-mail.

From http://www.theguardian.com/books/2015/feb/27/robert-macfarlane-word-hoard-rewilding-landscape