Gibson, Carol, ed. Facts on File Dictionary of Mathematics . Rev. and enl. This volume contains concise definitions of over 2000 words. It is intended for students of mathematics.
Most definitions are one paragraph in length.
Herland, Leo Joseph. Dictionary of Mathematical Sciences . Frederick Ungar, 1965. This is a bilingual dictionary which covers, besides mathematics, such application fields as mathematical logic, statistics, and commercial arithmentic. 1 is German-English and Vol.