15-Letter Words Containing: DA_

• central nervous system stimulant (trade name Ritalin) used in the treatment of narcolepsy in adults and attention deficit disorder in children

• in accommodation

• in an idle and lackadaisical manner

• the condition in which a standard has been successfully established

• the imposition of standards or regulations

• the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument

• the area of mesoderm that forms the notochord