1 Scroll down to the bottom of the page and click the link labeled Get Add-ons to navigate to the Internet Explorer Gallery Add-ons webpage. 2  Select an add-on category from the list of options in the column or use the search engine to locate a particular add-on, extension or plug-in from the available options provided. Click the link labeled Find more toolbars and extensions, located in the lower-left corner of the dialog box, to be redirected to the Internet Explorer Gallery's webpage. 2  Scroll down to the bottom of the page and click the link labeled Get Add-ons to navigate to the Internet Explorer Gallery Add-ons webpage.
PDH may refer to: 1  Angiotensin-converting enzyme, an enzyme. 2  Plesiochronous digital hierarchy, a technology used in telecommunications networks.
Definition (PDQ). An extract made from the dried leaflets on the pods of Cassia angustifolia or Cassia acutifolia with laxative properties. Dimeric glycosides in dried senna extract are converted to the active monoanthrones by bacterial action in the colon.