Decimal \Dec"i*mal\, n. A number expressed in the scale of tens; specifically, and almost exclusively, used as synonymous with a decimal fraction.

Circulating, or Circulatory, decimal, a decimal fraction in which the same figure, or set of figures, is constantly repeated; as, 0.354354354; -- called also recurring decimal, repeating decimal, and repetend.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Circulatory \Cir"cu*la*to*ry\, a. [L. circulatorius pert. to a mountebank: cf. F. circulatoire.]

1. Circular; as, a circulatory letter. --Johnson.

2. Circulating, or going round. --T. Warton.

3. (Anat.) Subserving the purposes of circulation; as, circulatory organs; of or pertaining to the organs of circulation; as, circulatory diseases.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Circulatory \Cir"cu*la*to*ry\, n. A chemical vessel consisting of two portions unequally exposed to the heat of the fire, and with connecting pipes or passages, through which the fluid rises from the overheated portion, and descends from the relatively colder, maintaining a circulation.

Source: Webster's Revised Unabridged Dictionary (1913)