This Gist can be used to search for words selected in a website and search them in your favorite word meaning search engines like dictionary.com specified here. This is a tampermonkey script, in @match specify websites in which you want to search and also allow pop-ups on that website. credits: http://mark.koli.ch/use-javascript-and-jquery-to-ge…

word_search_on_select.js

// ==UserScript==
// @name         Select_Search
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  To Search for a word in your favourite word search engines. 
// @author       You
// @match        https://quizlet.com/*
// @grant    GM_setClipboard
// ==/UserScript==

(function() {
    if(!window.Kolich){
  Kolich = {};
}

Kolich.Selector = {};
Kolich.Selector.getSelected = function(){
  var t = '';
  if(window.getSelection){
    t = window.getSelection();
  }
    else if(document.getSelection){
    t = document.getSelection();
  }
    else if(document.selection){
    t = document.selection.createRange().text;
  }
    
  return t; 
    
};

Kolich.Selector.mouseup = function(){
  var st = Kolich.Selector.getSelected();
  if(String(st).split(' ').length==1 && st!=''){
    window.open("http://www.dictionary.com/browse/"+st+"?s=ts");
    window.open("http://www.mnemonicdictionary.com/?word="+st,'_blank');
    GM_setClipboard (String(st));
  }
    
};

$(document).ready(function(){
  $(document).bind("mouseup", Kolich.Selector.mouseup);
});
    
    // Experimental Code

 $(document).bind("paste",function(){
     GM_setClipboard ('');
}); 


 
    
    // Experimental Code
    
})();