Winter in Chicago proves quite variable: Seasonal snowfall in the city has ranged from 9.8 inches (24.9 cm) (in 1920â21) up to 89.7 in (228 cm) (in 1978â79) and the average annual snowfall in Chicago is 36 inches (91 cm).
Fluctuation (noun). a wavering; unsteadiness; as, fluctuations of opinion; fluctuations of prices. Fluctuation (noun). the motion or undulation of a fluid collected in a natural or artifical cavity, which is felt when it is subjected to pressure or percussion.iktionary (0.00 / 0 votes) Rate this definition: fluctuation (Noun). A motion like that of waves; a moving in this and that direction. the fluctuations of the sea. fluctuation (Noun). A wavering; unsteadiness.
Period (punctuation) A period (in America) is a full stop(.) It is a punctuation mark (.) at the end of a sentence. It shows that the sentence has finished. To be a sentence it must have at least one complete clause, with a verb and a subject. When it is used in numbers, it is called a decimal point.