A period of time is commonly called an era.
How many spaces do you need after the word period? Is she having her period.
Lay down for a long period of time I tried it and it works
People of the same time period are referred to as contemporaries.
No, the word 'morning' is an abstract noun, a word for a period of a day; a word for a period of time.All words for time are abstract noun because time is a concept.
Contemporary means something at the present time. There is no set period.
Another word could be era.
exposure time = induction period
The word afternoon is a noun, a singular, common, abstract noun; a word for a period of time, a thing.
Not everyday.
AGE.
Term
day