Deca- : A prefix, from Gr. de`ka, signifying ten; specifically (Metric System), a prefix signifying the weight or measure that is ten times the principal unit.

Example:
What is a good novice cycle for deca durabolin and sustanon? Of just stick with only deca for the cycle?

Taxonomy
DECA Inc, DECA, Delta Epsilon Chi, Educational Gateway, marketing sales, national DECA, Chi Web, international association, high school, college students, management, entrepreneurship, business, finance, hospitality, service, Chi activities, DECA News.

Defination from the web:
National association of marketing students, provides teachers and members with development activities.