Nouns denoting time and temporal relations

evensong
the sixth of the seven canonical hours of the divine office; early evening; now often made a public service on Sundays
 
holy day of obligation
a day when Catholics must attend Mass and refrain from servile work, and Episcopalians must take Communion
 
Paleolithic Age
second part of the Stone Age beginning about 750,000 to 500,000 years BC and lasting until the end of the last ice age about 8,500 years BC
 
All Saints' Day
a Christian feast day honoring all the saints; first observed in 835
 
kHz
one thousand periods per second
 
attendance
the frequency with which a person is present
 
rag
a week at British universities during which side-shows and processions of floats are organized to raise money for charities
 
ESR
the rate at which red blood cells settle out in a tube of blood under standardized conditions; a high rate usually indicates the presence of inflammation
 
Discovery Day
a legal holiday commemorating the discovery of America by Christopher Columbus
 
maiden
(cricket) an over in which no runs are scored
 
Bronze Age
(archeology) a period between the Stone and Iron Ages, characterized by the manufacture and use of bronze tools and weapons
 
deep
the central and most intense or profound part
 
childhood
the time of person's life when they are a child
 
Thammuz
the tenth month of the civil year; the fourth month of the ecclesiastic year (in June and July)
 
ROI
(corporate finance) the amount, expressed as a percentage, that is earned on a company's total capital calculated by dividing the total capital into earnings before interest, taxes, or dividends are paid
 
outing
a day devoted to an outdoor social gathering
 
lunar year
a period of 12 lunar months
 
sidereal month
period between successive conjunctions with a star, 27.322 days
 
moment of truth
a crucial moment on which much depends
 
Mohammedan calendar
the lunar calendar used by Muslims; dates from 622 AD (the year of the Hegira); the beginning of the Muslim year retrogresses through the solar year completing the cycle every 32 years
 
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