For now, the U.S. operation in Iraq and Syria is defined mainly by its limitations.
The alternative was real, but secondary: an unheavenly place — a non-place, even — defined mainly by what it wasn't.
But, since the site is defined mainly by expressways and parking lots, the architects are fighting a losing battle.
The zone is defined mainly by its extremely uniform environmental conditions, as reflected in the distinct life forms inhabiting it.
Lower levels of taxonomy are defined mainly by differences in the skeleton, primarily the skull and shell.
Superficial and defined mainly by their hair, teeth and smiles, Jake, Eddie and Allie are not exactly the most engaging companions for a cross-country journey.
With "Megyn Kelly Today" defined mainly as what it isn't, what's left is an odd hybrid of morning escape and nightly newsmagazine.
AmpliDet RNA is a real-time diagnostic method, the specificity of which is defined mainly by the molecular beacon (MB).
"The digital divide problem has been defined mainly in terms of access, but it needs to be defined more broadly as a matter of skill," said Karen Mossberger, an associate professor of political science at Kent State University in Ohio.
I.B.S. is a complex of conditions that is defined mainly by its broad array of symptoms, which can include stomach pain, bloating, cramps, diarrhea, constipation, or any combination thereof; eleven per cent of Americans suffer from it.
