C-T

AcronymDefinition
C-TCretaceous-Tertiary (geologic boundary; also K-T, CT)
C-TConditioning-Test Paradigm (anatomy)
C-TCross-Taggart Solution (cryobiology)
References in periodicals archive ?
At 15 locations in western North America--all of which were at the bottom of an intercontinental sea 92 million years ago -- researchers from the Los Alamos (N.M.) National Laboratory (LANL) and the University of Colorado in Boulder have found a concentrated layer of the element iridium at the Cenomanian-Turonian (C-T) boundary, they report in the April GEOPHYSICAL RESEARCH LETTERS.
But Carl Orth of LANL and his colleagues are not looking skyward for an explanation of the C-T boundary iridium.
The elements concentrated at the C-T boundary are more characteristic of material in the upper mantle of the earth than of that in meteorites, Orth says.