NASA is an acronym. FEDEX is an acronym. The so five-minutes ago and poorly performing Windows VISTA is, too.
But OMG, HTML, and even university initials like BU or UK are not.
What’s the difference?
A group of letters is only an acronym when the the initials are pronounced together as one word. If they are said letter by letter, like URL, the group of letters is considered an initialism.
I certainly didn’t until this morning, when the random fact was passed along to me via that great center of learning, Twitter. And I simply had to share.
There. Now go enjoy your holiday. You’ve worked your brain hard enough.