sexagesimal

• POS: Adjective, Noun
• HYPHEN: sex=a=ges=i=mal

CIDE DICTIONARY

sexagesimal, a. [Cf. F. sexagésimal.].

 Pertaining to, or founded on, the number sixty.  [1913 Webster]

Sexagesimal fractions or Sexagesimal numbers (Arith. & Alg.), those fractions whose denominators are some power of sixty; as, astronomical fractions, because formerly there were no others used in astronomical calculations. -- Sexagesimal arithmetic, or Sexagenary arithmetic, the method of computing by the sexagenary scale, or by sixties. -- Sexagesimal scale (Math.), the sexagenary scale.

sexagesimal, n. 

 A sexagesimal fraction.  [1913 Webster]

OXFORD DICTIONARY

sexagesimal, adj. & n.
--adj.
1 of sixtieths.
2 of sixty.
3 reckoning or reckoned by sixtieths.
--n. (in full sexagesimal fraction) a fraction with a denominator equal to a power of 60 as in the divisions of the degree and hour.

Derivative

sexagesimally adv.

Etymology

L sexagesimus (as SEXAGESIMA)

ROGET THESAURUS

sexagesimal

Quinquesection

N quinquesection, &c, division by five, quinquesection, decimation, fifth, quinquefid, quinquelateral, quinquepartite, quinqevalent, pentavalent, quinquarticular, octifid, decimal, tenth, tithe, duodecimal, twelfth, sexagesimal, sexagenary, hundredth, centesimal, millesimal.