1. Wordlist 14 Exploring the Deep Ocean مرکز مطالعات و توسعه آموزش علوم پزشکی

2. 1. Dive (v.) Definition: to jump into water, especially with your head and arms going in first, or to move down under the wate Synonym: jump Example: Look at those children diving for oysters over there! Word Family: post·dive, adjective pre·dive, adjective un·der·dive, noun un·der·dive, verb (used without object), un·der·dived or un·der·do ve, un·der·dived, un·der·div·ing.

3. 2. Gyrocompass (n.) Definition: a navigational compass containing a gyroscope rotor, that, when adjusted for the latitude and speed of the vessel or aircraft, indicates the direction of true north alo ng the surface of the earth or communicates this information to one or more gyro repeaters. Synonym: Example: Word Family:

4. 3. Hover (v.) Definition: to stay in one place in the air, usually by moving the wings quickly Synonym: Example: A hawk hovered in the sky, waiting to swoop down on its prey. Word Family: hov·er·er, noun hov·er·ing·ly, adverb

5. 4. Hull (n.) Definition: the body or frame of a ship, most of which goes under the water Synonym: body, skeleton Example: the wooden hull of a ship Word Family:

6. 5. Hydrothermal (adj.) Definition: noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth. Synonym: Example: Word Family:

7. 6. Immense (adj.) Definition: extremely large in size or degree Synonym: huge, massive, enormous Example: They spent an immense amount of time getting the engine into perfect condition. Word Family: im·mense·ly, adverb im·mense·ness, noun

8. 7. Inaccessible (adj.) Definition: not accessible; unapproachable Synonym: unreachable, unapproachable, Example: one of the most inaccessible places in the world Word Family: in·ac·ces·si·bil·i·ty, in·ac·ces·si·ble·ness, noun in·ac·ces·si·bly, adverb

9. 8. Litter (v.) Definition: to strew (a place) with scattered objects, rubbish, etc Synonym: mess up, pollute Example: to be fined for littering the sidewalk. Word Family: lit·ter·er, noun an·ti·lit·ter, adjective an·ti·lit·ter·ing, adjective de-lit·ter, verb (used with object) un·lit·tered, adjective

10. 9. Occupant (n.) Definition: a person who is in a car, room, seat, place, or position Synonym: resident, inhabitant Example: One of the occupants of the car was slightly injured. Word Family: non·oc·cu·pant, noun pre·oc·cu·pant, noun

11. 10. Porthole (n.) Definition: a small, usually round window in the side of a ship or aircraft Synonym: opening, window Example: Dan was in the cabin, staring out of a porthole. Word Family:

12. 11. Propel (v.) Definition: to push or move something somewhere, often with a lot of force Synonym: push, move Example: a rocket propelled through space Word Family: un·pro·pelled, adjective

13. 12. Sight (n.) Definition: landmark Synonym: landmark Example: the town’s historic sight Word Family: sight·a·ble, adjective sight·er, noun re·sight, verb (used with object) un·der·sight, noun

14. 13. Stun (v.) Definition: to shock or surprise someone very much Synonym: shock, amaze, astonish Example: News of the disaster stunned people throughout the world. Word Family: un·stunned, adjective

15. 14. Submersible (adj.) Definition: capable of being used underwater Synonym: Example: He was riding on a submersible craft. Word Family:

16. 15. Thrive (v.) Definition: to grow, develop, or be successful Synonym: flourish, prosper Example: His business thrived in the years before the war. Word Family: thriv·er, noun thriv·ing·ly, adverb un·thriv·ing, adjective

17. 16. Thruster (n.) Definition: a small engine used to provide extra force Synonym: Example: The thrusters started to help the engine. Word Family:

18. 17. Vent (n.) Definition: a small opening that allows air, smoke, or gas to enter or leave a closed space Synonym: outlet, opening, hole Example: If you have a gas fire in a room, you should have some kind of outside vent. Word Family:

19. Keshavarz