be in sight

Also found in: Idioms.
See: appear
References in periodicals archive ?
An answer to this thorny question, which has plagued the search for viral culprits, might be in sight, says Harrington, once the mystery proteins are "purified." If their chemical structure is unraveled through purification, scientists can make synthetic copies of the proteins, inject them in animals and trace the origins of antibodies that are produced.