hydrogen bond (Noun). A weak bond in which a hydrogen atom in one molecule is attracted to an electronegative atom (usually nitrogen or oxygen) in the same or different molecule. hydrogen bond (Verb). To bond to another species by means of hydrogen bonds.E.g. Water hydrogen bonds with itself.ydrogen bond (Noun). A weak bond in which a hydrogen atom in one molecule is attracted to an electronegative atom (usually nitrogen or oxygen) in the same or different molecule. hydrogen bond (Verb). To bond to another species by means of hydrogen bonds. E.g.
CMYK is a subtractive color model that is used in color printing, and it refers to cyan, magenta, yellow, and black for the inks used in color printing. The âKâ in CMYK is understood to be the key since in four-color printing cyan, magenta, and yellow printing plates are aligned with the black plate which is the key. In other words the other colors are setup in relation to the black which is thus the key to the process. The fact that it is subtractive means that in the CMYK process the color results are achieved by masking colors on a lighter background.
1 blue. 2  These actual primary colors of pigments are used in the CMYK color model that is often used in Photoshop and elsewhere. 3  CMYK refers to the three primary colors CMY (cyan, magenta, yellow) and also black (K). 4  Those are often the only inks used for most printing. blue. 2  These actual primary colors of pigments are used in the CMYK color model that is often used in Photoshop and elsewhere. 3  CMYK refers to the three primary colors CMY (cyan, magenta, yellow) and also black (K). 4  Those are often the only inks used for most printing.