tobacco
tobacco — noun
1. dried plant material from a farm crop that people roll into cigarettes or put in
dried plant material from a farm crop that people roll into cigarettes or put into pipes to smoke
Christopher's uncle quit smoking after using tobacco for more than thirty years.
quit tobacco — verb + noun collocation
In many countries, shops that sell tobacco products must ask for proof of age.
tobacco products — noun + noun compound
The strong smell of old tobacco hung in the air of Mert's grandfather's study.
There is growing evidence that tobacco advertising encourages young people to start smoking.
Quan's father tried many times to give up tobacco but found it very difficult.
用法筆記
Uncountable when referring to the substance in general. Do not use 'a tobacco' to mean a single cigarette.
常見錯誤
2. a tall green plant with large soft leaves and tube-shaped flowers, belonging to
a tall green plant with large soft leaves and tube-shaped flowers, belonging to the nightshade family and grown in warm regions for its leaves, which are dried and used in smoking products
Hugo showed the class how to grow tobacco plants from tiny seeds in small pots.
grow tobacco plants — cultivation context
Wild tobacco grows naturally along riverbanks in many warm parts of the world.
The tobacco plant can reach over two meters in height with large soft green leaves.
Farmers in the southern region harvest the tobacco leaves by hand when they turn yellow.
Élise kept a flowering tobacco plant on her balcony whose flowers smell sweet at night.
- Nicotiana
the scientific genus name used in botanical or gardening contexts
用法筆記
Countable when referring to a specific species or variety (e.g. 'many different tobaccos'). For general reference to the crop, the uncountable form is more natural ('grow tobacco').