Science Words That Start With W

If you’re looking for science words that start with “W,” this article will provide you with an extensive list to boost your vocabulary.

1. Water- A transparent, tasteless, odorless, and nearly colorless chemical substance, vital for all known forms of life.
2. Watt- A unit of power in the International System of Units, equivalent to one joule per second.
3. Wavelength- The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.
4. Weather- The state of the atmosphere at a place and time, including factors such as temperature, humidity, and precipitation.
5. Weight- A body’s relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
6. Weld- Join together (metal parts) by heating the surfaces to the point of melting and then pressing them together.
7. Whirling- Moving rapidly around and around.
8. Wick- A strip of porous material up which liquid fuel is drawn by capillary action to the flame in a lamp, lighter, candle, etc.
9. Wildlife- Animals living and plants growing in their natural environment.
10. Wind- The perceptible natural movement of the air, especially in the form of a current of air blowing from a particular direction.
11. Winnow- Blow a current of air through (grain) in order to remove the chaff.
12. Wood- The hard, fibrous material that forms the main substance of the trunk or branches of a tree or shrub.
13. Work- Activity involving mental or physical effort done in order to achieve a purpose or result.
14. Worm- Any of various slender, soft-bodied animals having a greatly elongated body.
15. Wave- A long body of water curling into an arched form and breaking on the shore.
16. X- ray – A form of electromagnetic radiation, similar to light but of shorter wavelength, capable of penetrating solids and of ionizing gases.
17. Wattmeter- An instrument for measuring the power in watts of an electrical circuit.
18. Wavenumber- The number of wavelengths per unit distance, usually measured in reciprocal centimeters.
19. Weak force- A fundamental force of nature that is responsible for radioactive decay in subatomic particles.
20. Whirlpool- A rapidly rotating mass of water in a river or sea into which objects may be drawn, typically caused by the meeting of conflicting currents.
21. Wetland- Land consisting of marshes or swamps; saturated land.
22. Whey- The liquid remaining after milk has been curdled and strained.
23. Wren- A small short-winged songbird found chiefly in the New World.
24. Woodpecker- A bird known for its pecking behavior to find food or create nesting sites in trees.
25. Walleye- A species of freshwater fish with pike-like morphology and large, light-sensitive eyes.
26. Waste- Unwanted or unusable materials, substances, or byproducts.
27. Wound- An injury to living tissue caused by a cut, blow, or other impact.
28. Wisp- A small, thin, or twisted bunch, piece, or amount of something.
29. Weathering- The process of wearing away or changing the appearance or texture of something by long exposure to the air.
30. Whisker- One of the long, stiff, tactile hairs growing around the mouth or elsewhere on the face of many mammals.
31. Wear- Cause to become thin, damaged, or weak due to use.
32. Waveform- The shape and form of a signal such as a wave moving in a physical medium.
33. Wheel- A circular object that revolves on an axle and forms part of a machine.
34. Weldment- A unit composed of an assembly of pieces welded together.
35. Warp- To become or cause to become bent or twisted out of shape.
36. Walnut- A large hard-shelled oval nut with an edible kernel.
37. Wohlerite- A rare silicate mineral with a complex composition that includes elements like sodium and zirconium.
38. Wolfram- Another name for tungsten, a heavy, gray-white metallic element used mainly in electrical applications and as a metal alloy.
39. Workbench- A sturdy table at which manual work is done by a craftsman.
40. Whispering gallery- A place, usually in the form of a dome or a circular building, where a sound can travel across the surface, allowing a whisper to be heard clearly across long distances.
41. Wrinkle- A small line or fold in something, especially fabric or the skin, typically one that forms as a natural part of the aging process.
42. Wien’s displacement law- A law of physics stating that the black-body radiation curve for different temperatures peaks at a wavelength inversely proportional to the temperature.
43. Windchill- The lowering of body temperature due to the passing-flow of lower-temperature air.
44. Waist- The part of the human body below the ribs and above the hips.
45. Windowsill- A shelf forming the bottom part of a window.
46. Woodworm- The larva of a wood-boring beetle that bores into and damages wood.
47. Wavelength Division Multiplexing (WDM)- A technology in fiber optic communications that multiplexes multiple optical carrier signals on a single optical fiber by using different wavelengths of laser light.
48. Weber (Wb)- The derived unit of magnetic flux in the International System of Units.
49. Water table- The level below which the ground is saturated with water.
50. Work function- The minimum energy needed to remove an electron from the surface of a material.
51. White dwarf- A small, very dense star that is typically the size of a planet.
52. Whiting- A common name for various species of fish.
53. Wnt signaling pathway- A complex network of proteins that play essential roles in embryogenesis and cancer.
54. Wrack- Seaweed or debris washed onto the shore.
55. Wind shear- A variance in wind speed and direction over a short distance in the atmosphere.
56. Walled lake- A type of lake known for having a defined set of boundaries, often created naturally or artificially.
57. Waveguide- A structure that guides waves, such as electromagnetic waves, to transmit signals with minimal loss of energy.
58. Watershed- An area or ridge of land that separates waters flowing to different rivers, basins, or seas.
59. Wooden- Made of wood.
60. Whalebone- A substance obtained from the mouth of the whale, used for various purposes.
61. Water cycle- The cycle of processes by which water circulates between the earth’s oceans, atmosphere, and land.
62. Window- An opening in the wall or roof of a building or vehicle, fitted with glass.
63. Wobble- Move unsteadily from side to side.
64. Walkway- A passage or path for walking along, especially a raised passageway.
65. Wearproof- Resistant to wear.
66. Wavefunction- A mathematical description of the quantum state of an isolated quantum system.
67. Wolframite- A brown-to-black mineral that is the chief ore of tungsten.
68. Wormhole- A hypothetical tunnel connecting two different points in spacetime.
69. Water vapor- The gaseous phase of water.
70. Windmill- A structure that converts wind energy into rotational energy.
71. Whip- A flexible, often long weapon or tool.
72. Waterfall- A cascade of water falling from a height.
73. Watertight- Impervious to water.
74. Whiteout- A weather condition in which visibility and contrast are severely reduced.
75. Wavefront- The leading edge of a moving wave.
76. Wheelbase- The distance between the front and rear axles of a vehicle.
77. Wildlife conservation- The practice of protecting animal species and their habitats.
78. Wet cell- A type of battery that uses a liquid electrolyte.
79. Walrus- A large marine mammal with tusks.
80. Watt- hour – A unit of energy equivalent to one watt of power used for one hour.
81. Waypoint- A set of coordinates that identify a point in physical space.
82. Wallaroo- A large species of kangaroo.
83. Woodchuck- A large ground squirrel known as a marmot.
84. Weld nugget- The region in the spot weld where the metal is melted and fused together.
85. Waterborne- Transported or spread by water.
86. Wafer- A thin slice of semiconductor material used in electronics.
87. Warm- blooded – Having a body temperature that is relatively constant and independent of the temperature of the surroundings.
88. Walleye- A freshwater fish species with light-sensitive eyes.
89. Wavelength shifting- Process in which the wavelength of radiation emitted by a luminescent material is shifted to a different value.
90. Weather balloon- A high-altitude balloon used to measure atmospheric conditions.
91. Warp drive- A hypothetical faster-than-light propulsion system.
92. Wittering- Continuous talking.
93. Water column- A conceptual column of water from surface to bottom sediments.
94. Wheatstone bridge- An electrical circuit used to measure an unknown electrical resistance.
95. White paper- An authoritative report or guide on a specific topic.
96. Wi- Fi – A technology that allows electronic devices to connect to a wireless LAN.
97. WiMAX- A family of wireless communication standards for high-speed mobile data.
98. Wet season- The season characterized by high rainfall and humidity.
99. Wigner effect- The displacement of atoms in a solid caused by neutron radiation.
100. Whooping crane- A large North American bird known for its distinctive call and endangered status.