(n) A regional or social variety of a language distinguished by pronunciation, grammar, or vocabulary, especially a variety of speech differing from the standard literary language or speech pattern of the culture in which it exists: Cockney is a dialect of English.
There was a 4 mm nodular opacity in the right lower lung. A ct scan of 10/06 showed linear scarring in both lungs but no mention of nodules. A chest xray in 4/2007 showed a round density in the right perihilar region.
Stereoscopic acuity, also stereoacuity, is the smallest detectable depth difference that can be seen in binocular vision.