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jet propulsion propulsion of aircraft and some small ships that results from the high-velocity expulsion of compressed outside air and hot exhaust gases through a jet nozzle.
jetsam objects thrown from a ship to lighten it, as in a storm (See flotsam.) [3 definitions]
jet set a group of fashionable, wealthy people who reputedly travel by jet from one resort to another.
jet stream a high-velocity, generally westerly wind in the upper troposphere. [2 definitions]
jettison to throw (objects) from a ship or airplane to lighten or stabilize it, as in a storm. [4 definitions]
jettisonable combined form of jettison.
jetty1 an assemblage of rocks, timbers, or the like that extends into a body of water to protect the shore or a harbor from strong waves or currents. [2 definitions]
jetty2 like, of the color of, or composed of jet.
jeu de mots play of words (French); a verbal witticism such as a pun.
jeu d'esprit play of spirit (French); a piece of writing that is clever or witty.
Jew one who is a descendant of the ancient Hebrews. [2 definitions]
jewel a cut and polished gemstone, or an ornament made with gems and other costly material. [5 definitions]
jeweler someone who produces, repairs, or sells gems, jewelry, or the like.
jewelry ornaments such as rings, bracelets, and necklaces, sometimes set with jewels; jewels or jewel-set ornaments collectively.
jewelweed any of several plants in the balsam family having spurred orange-yellow flowers and seedpods that burst open when ripe.
jewfish any of several very large fishes found in the tropical waters of the Atlantic Ocean.
Jewish of or pertaining to Jews, their customs, or their religion. [2 definitions]
Jewish calendar a lunisolar calendar that is used by the Jews to calculate holidays, is reckoned from 3761 B.C., and has twelve months in most years and another month added about every three years.
Jewry the Jewish people collectively. [2 definitions]
jew's-harp a small, metal, lyre-shaped musical instrument that is held between the teeth and played by plucking the protruding end of its flexible steel tongue.
Jezebel according to the Old Testament, the wicked wife of King Ahab of Israel. [2 definitions]