This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of food, that is suitable for cooking in a microwave oven.

"Anyone that has been to a Starbucks recently can argue the customer experience has been overshadowed by cluttered merchandise, CD trays, and subpar food offerings such as microwavable breakfast sandwiches (I do like that parfait while rushing through the airport, though)."