What is the definition for the word ongelating? And the correct spelling?

The word "Ongelating" doesn't exist on the dictionary. You’re maybe referring to elongating which means:

Verb (used with object), elongated, elongating.
1. To draw out to greater length; lengthen; extend.
Verb (used without object), elongated, elongating.
2. To increase in length.
Adjective, Also, elongated
3. Extended; Lengthened.
4. Long and thin.

Origin of elongate:

1530-40; < Late Latin ēlongātus lengthened out, past participle of ēlongāre to make longer, make distant, remove, equivalent to Latin ē- e-1 + -longāre, derivative of longus long1, longē far off

How to use elongating in a sentence? See sample sentences with the word elongating at Sentence.yourdictionary.com.

Tuesday, August 08 2017
Source: http://wordfinder.yourdictionary.com/unscramble/aeggilnnot