half-adopted
n.— «Donor-conceived siblings, who sometimes describe themselves as “lopsided” or “half-adopted,” can provide clues to make each other feel more whole, even if only in the form of physical details.» —“Hello, I’m Your Sister. Our Father Is Donor 150.” by Amy Harmon New York Times Nov. 20, 2005. (source: Double-Tongued Dictionary)
Further reading
Asthenosphere, a geologist’s term for the molten layer beneath the earth’s crust, sparks a journey that stretches all the way from ancient Greece to the author of Uncle Tom’s Cabin. Plus: What the heck is a dogberg? It’s when...
A young caller from the Hudson Valley of New York wonders about his grandmother’s use of stemwinder to praise a speech she thought was excellent. In the early 1800s, people used pocket watches that had to be wound with a tiny key. Once someone...