| jet lag |
a feeling of being very tired or not well after traveling by airplane across different time zones. |
| jet-propelled |
using the power of a jet engine or engines. |
| jet propulsion |
a way of giving aircraft and some small ships the power to move forward. Jet propulsion forces air and hot gases under high pressure to go through a jet nozzle. |
| jet stream |
a narrow band of strong, fast wind several miles above the earth's surface. The jet stream usually flows from west to east. |
| jettison |
to throw from a ship or airplane to make it lighter or more stable. [2 definitions] |
| jetty1 |
a group of rocks or wooden beams built out into a body of water. Jetties are used to control the flow of water and protect the shore from strong waves. [2 definitions] |
| Jew |
a person whose ancestors were the Biblical Hebrews. [2 definitions] |
| jewel |
a special stone that has been cut and made smooth; gem. Jewels are used to make jewelry and ornaments. [2 definitions] |
| jeweler |
a person who makes, fixes, or sells gems or jewelry. |
| jewelry |
rings, watches, necklaces, or other ornaments; jewels. |
| Jewish |
of or having to do with Jews, their culture, traditions, or religion. |
| jib1 |
a sail that is shaped like a triangle and used in the front of a sailing boat. |
| jiffy |
(informal) a very short time; instant. |
| jig2 |
a fast, lively dance. [4 definitions] |
| jigsaw |
a saw that can be used to cut sharp corners or curved designs. Jigsaws are usually powered by electricity. |
| jigsaw puzzle |
a puzzle that is made of a picture that has been cut into pieces of different shapes. The separate pieces must be put together to form the picture again. A jigsaw puzzle is usually made of thick cardboard or wood. |
| jingle |
to make a sound like light metal objects hitting against each other again and again. [4 definitions] |
| jinx |
someone or something that is believed to cause bad luck. [2 definitions] |
| job |
a particular task or piece of work. [3 definitions] |
| jockey |
a person whose work is riding horses in races. |
| jog1 |
to give a little push or shake; nudge. [4 definitions] |