David A. Statt 
Student’s Dictionary of Psychology [PDF ebook] 

A Student’s Concise Dictionary of Psychology contains over 1900 definitions from ablation to zygote. There are references to words, phrases and eminent psychological figures and David A. Statt has taken into account the most recent developments in psychology to present the definitions in a clear, instructive and concise manner.This book will be an invaluable source of information for students of psychology and its easily accessible style will make it an indispensable reference tool for those in related professions such as health and social work.