Synonym of quinquennium: a five-year period, especially in reference to the first and second halves of calendrical decades.

(statistics) Of or related to a 5-year period.

of, or relating to a pentad

plural of pentad

(anatomy) Having five digits on a limb.

(organic chemistry) Any of very many isomeric saturated aliphatic hydrocarbons having fifteen carbon atoms; but especially n-pentadecane, CH₃(CH₂)₁₃CH₃

pentadactyl

plural of pentadecane

Of or pertaining to pentadecanoic acid or its derivatives.

(organic chemistry) The aliphatic carboxylic acid having fifteen carbon atoms