Cucumbers (Cucumis sativus) are a cooling, hydrating vegetable commonly used in salads, sandwiches, and beverages. Their crisp texture and mild, slightly sweet flavor make them a versatile ingredient in various dishes. Cucumbers are mostly water (about 95%), which makes them highly hydrating. They are typically eaten raw, although they can also be pickled to create tangy condiments. Cucumbers come in several varieties, with the most common being the slicing cucumber (long and smooth) and the pickling cucumber (smaller and bumpy). They are an excellent source of vitamin K, vitamin C, and potassium, and they contain antioxidants like beta-carotene and flavonoids.