hybrid vigor

American  

noun

1. heterosis.

---

hybrid vigor Scientific  

1. The increased vigor or general health, resistance to disease, and other superior qualities that are often manifested in hybrid organisms, especially plants and animals.

2. Compare inbreeding depression

---

Etymology

Origin of hybrid vigor

First recorded in 1915–20

Example Sentences

Hybridization may also have brought "hybrid vigor," where a hybrid organism is more vigorous than either of its parents.

From Science Daily • Nov. 30, 2023

The phenomenon, called hybrid vigor, comes from crossing two strains of inbred parents.

From Science Magazine • May 17, 2023

Obviously, any workplace that doesn’t attain some threshold of hybrid vigor in terms of all kinds of diversity—gender, race, sexual orientation, socioeconomic status—is probably going to be inferior to those that do.

From Slate • Jul. 13, 2016

But the neat, perfectly formed, soft-domed roses also remind me of hybrid vigor, or heterosis, a term used in genetics.

From The New Yorker • Dec. 3, 2014

Is that due to the exceptional vigor of Rockville which apparently is a hybrid and may have hybrid vigor?

From Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952 by Northern Nut Growers Association