Glossary
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| Term | Definition |
|---|---|
| Wave | A disturbance that transfers energy through space or a medium, such as sound, light, or water waves. Science General |
| Wavelength | The distance between successive peaks of a wave. Science General |
| Weather | Weather is the day-to-day, short-term state of the atmosphere at a specific time and place, defined by variables like temperature, humidity, precipitation, wind, and atmospheric pressure. Climate Change |
| Weight | The force of gravity acting on an object's mass. An object weighs less on the Moon but has the same mass. Science General |
| Weight of evidence | An approach that judges a question by considering all available evidence together, rather than focusing on individual studies. Science Literacy |
| Weights | Numbers that determine how strongly inputs influence outputs in a neural network. Training adjusts the weights to reduce errors. Artificial Intelligence |
| Weights & Biases | The internal adjustable values inside a neural network that change during training to help the model recognize correct patterns. Artificial Intelligence |
| Wet-bulb temperature | The lowest temperature that can be reached by evaporating water into the air, combining heat and humidity. Sustained wet-bulb temperatures near 35 degrees C are considered beyond the limit humans can survive for long, and lower values are dangerous for many people. Climate Change |
| Whataboutism | Deflecting criticism by pointing to someone else's alleged wrongdoing instead of addressing the point raised. Antiscience |
| Whole-cell vaccine | A vaccine made from entire killed or weakened bacteria or viruses, as opposed to purified parts of them. Vaccines |