Ap Geiriaduron is as an English-Welsh/Welsh-English dictionary application which gives you offline access to thousands of words from multiple dictionaries, including Cysgair and 'Y Termiadur Addysg'.

Features:
* Realtime, responsive and adaptive searching
* Offline dictionary access for anytime searches
* Universal Application (iPad and iPhone) with Retina Display Graphics
* English and Welsh user interface languages
* Demutate and deconjugate Welsh words to show their original form.
* 'Drill down' feature to find more detailed information on specific words
* Wildcard Welsh searches; e.g. use the app as a rhyming dictionary by searching for '*aith' to find all words ending in 'aith'
* Contains the Cysgair Dictionary with over 50,000 Welsh and English words
* Contains 'Y Termiadur Addysg' dictionary with over 86,000 Welsh and English words; funded by the Welsh Government as the dictionary for Educational terms
* Provides a gateway to Termau.org for expanded searches
* Automatic updating of dictionaries as new words and terms are added

Created by Patrick Robertson with the help of David Chan, Gruffudd Prys, Dewi Jones, Delyth Prys and other members of the Language Technologies Unit, Canolfan Bedwyr.
Ap Geiriaduron is a Bangor University application, part-funded by a Go Wales graduate scheme.

Mae Ap Geiriaduron yn eiriadur Saesneg-Cymraeg/Cymraeg Saesneg sy'n caniatáu i chi chwilio all-lein am filoedd o eiriau Cymraeg a Saesneg trwy nifer o ffynonellau, gan gynnwys CysGair ac 'Y Termiadur Addysg'

Nodweddion:
* Chwilio'n sydyn mewn amser real
* Geiriadur all-lein er mwyn chwilio ar unrhyw adeg
* Ap cyffredinol ar gyfer yr iPad a'r iPhone gyda graffigau ar gyfer Retina Display
* Iaith y sgrin ar gael yn Gymraeg neu Saesneg, gyda modd i newid yr iaith
* Gallu dad-dreiglo a dad-redeg berfau i ddangos ffurf wreiddiol geiriau
* Nodwedd manylu er mwyn cael gwybodaeth fwy manwl ar unrhyw air
* Chwilio gyda nodau chwilio; e.e. ei ddefnyddio fel odliadur drwy chwilio am '*aith' er mwyn dangos geiriau sydd yn gorffen gyda 'aith'
* Cynnwys y Geiriadur CysGair gyda dros 25,000 o eiriau Cymraeg a 25,000 o eiriau Saesneg
* Cynnwys geiriadur 'Y Termiadur Addysg'; wedi'i ariannu gan Lywodraeth Cymru fel geiriadur o dermau addysg safonol
* Porth i chwilio'n bellach ar-lein gyda Termau.org
* Diweddariadau awtomatig er mwyn ychwanegu termau a geiriau newydd

Wedi'i greu gan Patrick Robertson gyda chymorth David Chan, Gruffudd Prys, Dewi Jones, Delyth Prys ac aelodau eraill o'r Uned Technolegau Iaith, Canolfan Bedwyr.
Mae Ap Geiriaduron yn ap Prifysgol Bangor, wedi'i ran-ariannu gan gynllun Go Wales.