What Does 'Caucasian' Really Mean?

"There's no scientific justification for use of that term," Joseph Graves, a professor of nanoengineering and the interim dean at the Joint School of Nanoscience and Nanoengineering in Greensboro, North Carolina, says. "[Caucasian] is actually a 19th-century anthropological idea that was based around a false conception that the origin of the human species was in the Caucasus Mountains."

Mapping the Region

The Caucasus Mountains run from the Black Sea (to the west) to the Caspian Sea (on the East) in an area considered by many as the crossroads between Eastern Europe and Western Asia.

The ranges — two of them, the Greater and Lesser — are due east of Italy (across the Mediterranean, much of Eastern Europe and the Black Sea), due north of Iraq (through a few countries) and due west of India (through a few countries and across the Caspian).

The southern tip of Russia lies to the north of the Caucasus Mountains. To the immediate south is Georgia, a former Soviet Republic. This is where Caucasians — true Caucasians — call home. People from Georgia, Russia, Azerbaijan and Armenia hail from the area.

Blumenbach's Broad Definition

But Caucasians, as first identified by German anthropologist Johann Friedrich Blumenbach and as some still think of the group today, lay claim to a lot more real estate than that.

In 1795, in the third edition of his book titled "De generis humani varietate nativa" (or, "On the natural varieties of mankind"), Blumenbach, building on work by Swedish scientist Carolus Linnaeus and others, used the word "Caucasian" to describe one of his five races of man. He determined each through scientific methods like the measuring of skulls, and tied each to distinct geographic regions.

Caucasians were, as Blumenbach presented them, the "white" race and included people not only from the Caucasus region, but also those from Europe, northern India and parts of North Africa.

(The other groups Blumenbach identified, tied loosely to skin color, were Malaysian, Ethiopian, [Native] American and Mongolian. Years after Blumenbach, scientists found that the earliest humans didn't come from the Caucasus but from Africa, in modern day Ethiopia.)

Though Blumenbach found that the "many varieties of man as are at present known to [be] one and the same species," his work nonetheless was seen as giving scientific credence to the concept of biological race. Over the years, people have abused this notion in order to separate groups (often by skin color) and to declare, through some bastardization of science, the superiority of one racial group over others.

Classifying humans into races, whatever Blumenbach's intentions, continues today. The term "Caucasian" is still rolled out occasionally, and not only on bad TV police dramas.

"I was just at a conference here in Minnesota where a researcher from South Africa kept referring to herself and others in her country as 'Caucasians,'" Graves says. "I think it is very, very much a white supremacist, racist ideology.

"I think it has to do with Eurocentric racial ideology. People wish to hold onto the special designation exemplified by this term, 'Caucasian.'"

Beyond Caucasian, the U.S. Census Bureau has its own definition of race — "a person's self-identification with one or more social groups" — and asks respondents to choose from its own categories: "White, Black or African American, Asian, American Indian and Alaska Native, Native Hawaiian and Other Pacific Islander." The Census allows those surveyed to choose "some other race," too.

The Census Bureau's definition of race — that it's self-identified, and based on social groups — is different than Blumenbach's in that it is notably unscientific. And it supports the now widely accepted finding that race is not something that science supports.

Genetically speaking, someone can't be of the white race, or the Caucasian race. People aren't of the Mongolian race. They are of one species. According to the National Human Genome Research Institute, humans are 99.9 percent identical in genetic makeup.

Gordon Hodson, a professor of psychology at Canada's Brock University, explains in Psychology Today:

In 2013, The New York Times asked "Has 'Caucasian' Lost Its Meaning?"

Yet the term, despite its problems, has proven stubbornly resilient. "If you want to show that you're being dispassionate," historian Nell Irvin Painter, the author of "The History of White People," told The Times, "then you use the more scientific term Caucasian."

Still, if it's used in an attempt to show some genetic difference between humans, it's clear that the term "Caucasian" belongs on history's scientific scrap heap.

In 2004, Graves wrote "The Race Myth: Why We Pretend Race Exists in America." From the introduction:

This article was updated in conjunction with AI technology, then fact-checked and edited by a HowStuffWorks editor.