In grammar, an ejaculation is an utterance that expresses a feeling outside of the normal language structure. Often but not always it is an exclamation, and most often consists of a single word, either an interjection or a profanity or both.

"Glory to God!" or "Praise the Lord!" In this context, this is known as a religious ejaculation.

http://en.wikipedia.org/wiki/Ejaculation_%28grammar%29

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