hours

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a period of time assigned for work (Freq. 9)
- they work long hours
• Hypernyms:
work time
• Hyponyms:
shift, work shift, duty period
2. an indefinite period of time (Freq. 3)
- they talked for hours
• Hypernyms:
time period, period of time, period