tuber
/ˈtjuːbə(r)/ (bre, ipa) · [tˈubɚ] /ˈtuːbər/ (ame, ipa) · [tˈubɚ] /ˈtü-bər How to pronounce tuber (audio) ˈtyü-/ (ame, mw)
tuber — noun
- tubersingular
- tubersplural
1. an underground part of a plant that swells up as it fills with stored food. New
an underground part of a plant that swells up as it fills with stored food. New shoots can grow from buds on its surface. Potatoes and yams are the most familiar examples.
Kofi dug up several large tubers from the vegetable patch in his garden.
collocation: dig up tubers
Potatoes, yams, and sweet potatoes are all examples of edible tubers.
listing common edible tubers
The gardener planted the tuber in early spring and watered it weekly.
Each sweet potato tuber can produce several new plants when cut into pieces.
Hana stored the yam tubers in a cool cellar through the long winter.
- bulb
A bulb (like an onion or garlic) is a different kind of underground storage organ made of layered leaves, not solid fleshy tissue like a tuber.
- corm
A corm (like a taro root) is a solid underground stem base, similar to a tuber but typically shorter and rounder; the terms overlap in everyday cooking.
用法筆記
In everyday conversation, 'tuber' describes any thick underground plant part used for food storage, such as a potato or yam. Botanists make a finer distinction between stem tubers (potatoes) and root tubers (sweet potatoes, cassava).