Defn: Any substance or medium that transmits the electric force by a process different from conduction, as in the phenomena of induction; a nonconductor. separating a body electrified by induction, from the electrifying body.
DIELYTRA
Di*el"y*tra, n. (Bot.)
Defn: See Dicentra.
DIENCEPHALON
Di`en*ceph"a*lon, n. Etym: [NL. See Dia-, and Encephalon.] (Anat.)
Defn: The interbrain or thalamencephalon; — sometimes abbreviated to dien. See Thalamencephalon.
DIERESIS
Di*er"e*sis, n. Etym: [NL.]
Defn: Same as Diæresis.
DIESEL ENGINE; DIESEL MOTOR Die"sel en`gine or mo`tor. [After Dr. Rudolf Diesel, of Munich, the inventor.]
Defn: A type of internal-combustion engine in which the air drawn in by the suction stroke is so highly compressed that the heat generated ignites the fuel (usually crude oil), the fuel being automatically sprayed into the cylinder under pressure. The Diesel engine has a very high thermal efficiency.
DIESINKER
Die"sink`er, n.