Hydrothermal ___ (fissure on the ocean floor) Crossword Clue

We have the 4-letter answer for Hydrothermal ___ (fissure on the ocean floor) crossword clue, last seen in the Universal Crossword February 16, 2026 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.

Hydrothermal ___ (fissure on the ocean floor) Crossword Answer

↓12.

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Helpful Hints

(noun)
1. activity that frees or expresses creative energy or emotion
2. a fissure in the earth’s crust (or in the surface of some other planet) through which molten lava and gases erupt
(verb)
1. expose to cool or cold air so as to cool or freshen
2. give expression or utterance to

Hint 2: Clue Definitions

FISSURE (noun)
1. a long narrow opening
2. a long narrow depression in a surface
FISSURE (verb)
1. break into fissures or fine cracks
OCEAN (noun)
1. anything apparently limitless in quantity or volume
2. a large body of water constituting a principal part of the hydrosphere

More Universal Crossword (2/16/2026) Answers

Across

1. Wish

5. Brainy

10. Goalie’s feat

14. College near Duke

15. Radiant glows

16. "No contest," for example

17. "Yeah, right"

18. Journeys that might be aided by a 58-Across

20. Event location

22. Caviar

23. Less than 90 degrees

24. Joins, as a contest

26. "Killers of ___ Flower Moon"

27. Outgoing

29. Fried Indian appetizer

32. Biblical group that was ostracized

35. Gibbon, e.g.

36. Coastal Brazilian state whose letters complete "_ _ngkok, T_a_l_nd"

37. Hiker's aid

38. Canadian capital

41. Pumpkin seed

44. Donna Summer and Diana Ross, for two

45. Hampers, as someone's style

48. Beach ball filler

49. Uncanny

50. Lion's foot

53. Sully

57. Risotto recipe instruction

58. Structure alongside a dam ... and what can be found in the middle of this puzzle

60. Geometry calculation

61. Signed

62. Ultimatum word

63. Lobster ___ (popular New England dish)

64. Fits together snugly

65. ___ jockey (slang for an office worker)

All Answers

Down

1. Throw with effort

2. "WandaVision" actress Elizabeth

3. ___ Nemo (most remote place on Earth)

4. On fire, in Spanish

5. Actor Elliott

6. ABC anchor David

7. Ship in Greek mythology

8. Not often seen

9. Org. that doesn't allow bowling pins in your carry-on luggage

10. Add some excitement to

11. Baseball's Felipe, Matty or Jesus

13. Comfort

19. Sierra Nevada lake

21. Mistakes a molly for a guppy, e.g.

25. "Chilean" catch

26. Haddock alternative, in some tacos

28. Tourney stage before the finals

29. __ Paulo

30. Suitable

31. Was introduced to

33. Rodent you might find in the bilge of a ship

34. Place for relaxing

39. High Navy rank

40. Clean with a cloth

42. Musical set in Argentina

43. Flaunted

45. Labor activist Chavez

46. Vintage-inspired

47. Disney princess who grew up in Atlantica

50. Tree with needles

51. Requests

52. Stimulate, as an appetite

54. Run in neutral

55. Loch ___ monster

56. Tough hike

58. Shark appendage

59. Mormon Church inits.

All Answers