penicillin
/ˌpenɪˈsɪlɪn/noun
mass noun
1
- an antibiotic or group of antibiotics produced naturally by certain blue moulds, now usually prepared synthetically. Penicillin was discovered in 1928 and during the Second World War became the first antibiotic to be used by doctors.青霉素, 盘尼西林。
2
- a blue mould of a type that produces these antibiotics（产生青霉素的）青霉。
2.1
- Genus Penicillium, subdivision Deuteromycotina.青霉菌属, 半知菌亚门。
词源
from the modern Latin genus name Penicillium （from Latin penicillum 'paintbrush'）+-IN1.