by Mobile Systems, Inc.
The Cambridge Academic Content Dictionary defines the vocabulary students need to succeed in high school and beyond.
Its entries include more than 2,000 key vocabulary items from the content areas of math, the arts, chemistry, earth science, physics, American and world history, social studies,...
Best for vocabulary of all kinds — This is the ultimate in vocabulary in all fields, math, science, the arts, social studies, history, etc. For this amazing collection of knowledge you have to pay US$11.99 - but it's worth it.