12-letter words containing s, e, t, o, r, b
- urban forest — the trees and plants within a city.
- vector boson — one of the three particles that are believed to transmit the weak force: the positively charged W particle, the negatively charged W particle, and the neutral Z 0 particle.
- western blot — a highly sensitive procedure for identifying and measuring the amount of a specific protein in a mixed extract, as in testing for AIDS virus protein in a blood sample: proteins are separated by gel electrophoresis and transferred to a special filter paper, on which the protein under investigation can be detected by a probe, as the binding of a labeled antibody.