球根（きゅうこん、kyuukon）
- bulb (plant)

The Japanese word 球根 （きゅうこん） refers to a bulb, which is a modified, usually underground plant structure used for food storage. These structures are often rounded or elongated and contain the plant's developing bud and the food reserves that it will use to grow. They are essentially underground stems that have been modified for survival and propagation.

⚫︎チューリップの球根 Translation: Tulip bulb ⚫︎春に球根を植える Translation: Plant bulbs in the spring. ⚫︎庭にダリアの球根を植えた Translation: I planted dahlia bulbs in the garden.

This word is used when discussing gardening, botany, or any context where bulbs of plants are mentioned. It's suitable for describing the bulbs themselves, the act of planting them, or the characteristics of plants that grow from bulbs.

球根 is typically written with the kanji 球 (kyu - sphere, ball) and 根 (kon - root, base). The reading is きゅうこん in hiragana. There are no other common ways to write this word. The okurigana (hiragana suffixes) are standard.

There aren't many direct synonyms for 球根, as it is a specific botanical term. However, words related to plants and roots might be used in a broader sense.

There isn't a direct antonym for 球根. However, one could consider the above-ground parts of the plant, such as flowers, leaves, or stems, as opposites in terms of location and function.

そのお店では様々な種類の球根を販売しています。 ・Translation: That shop sells various kinds of bulbs. ・Explanation: This sentence uses 球根 to describe the product being sold.

秋に球根を植えると、春に美しい花が咲きます。 ・Translation: If you plant bulbs in the autumn, beautiful flowers bloom in the spring. ・Explanation: This sentence explains the timing of planting 球根 and the resulting flowers.

The word 球根 is a compound word. 球, meaning "sphere" or "ball," refers to the shape of many bulbs. 根 means "root," suggesting the underground nature of these plant structures. The combination literally means "ball root," accurately describing their form and location.