:10
:09
:08
:07
:06
:05
:04
:03
:02
:01
| the smallest component of an element having the chemical properties of the element; the number of protons determines the identity of the element |
| the atomic number or neutron number of an exceptionally stable nuclide |
| absorbance (əbˈsɔːbəns, -ˈzɔː-) | |
| —n | |
| physics See transmittance a measure of the light-absorbing ability of an object, expressed as the logarithm to base 10 of the reciprocal of the internal transmittance | |
absorbance ab·sorb·ance (əb-sôr'bəns, -zôr'-) or ab·sorb·an·cy or ab·sorb·en·cy (əb-sôr'bən-sē, -zôr'-)
n.
Abbr. A In spectrophotometry, equal to 2 minus the log of the percentage transmittance of light. Also called extinction, optical density.