mean solar day

Từ điển WordNet v3.1 - WordNet Dictionary

noun

time for Earth to make a complete rotation on its axis
- two days later they left
- they put on two performances every day
- there are 30,000 passengers per day
• Syn:
day, twenty-four hours, twenty-four hour period, 24-hour interval, solar day
• Derivationally related forms:
daily (for: day)
• Hypernyms:
time unit, unit of time
• Hyponyms:
tomorrow, today, yesterday, morrow, eve,
date, day of the month
• Part Meronyms:
day, daytime, daylight, noon, twelve noon,
high noon, midday, noonday, noontide, night, nighttime,
dark, hour, hr, 60 minutes