plural of base-on-balls

An expert in chronometry.

(uncountable) The state or quality of being sparse. / (countable, rare) The result or product of being sparse.

(organic chemistry) The naphthoquinone (2S,10S)-3,12-dioxapentacyclo[11.8.0.02,10.04,9.015,20]henicosa-1(13),4,6,8,15,17,19-heptaene-14,21-dione that has antileishmanial activity