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A plural of centrum.


(ˈsɛn trəm)

n., pl. -trums, -tra (-trə).
1. a center.
2. the body of a vertebra, the part cushioned by the spinal disk.
[1850–55; < Latin; see center]
References in classic literature ?
Nevertheless, in two places in this very centra region, I found small heaps of stones, which I do not thin could have been accidentally thrown together.
Centra Technical -- This track will provide in-depth information on migration, architecture, integration, and implementation sessions, as well as technical insight on Saba Enterprise 5 and Centra 7.
E[acute accent]--Best practices, tips and techniques for increasing the ROI of Saba and Centra solutions
Moreover, by eliminating the need to produce large quantities of asynchronous material before offering a course, Centra Live has made it possible for EPGY to accelerate its development cycle for new courses.
Online learning and training solutions from Centra create workforce efficiencies and enable organizations to share and exchange business-critical information with geographically distributed customers, partners, prospects and employees.
Knowing that our students can easily adapt to using Centra has opened the door for us to expand online courses to our undergraduate classes.
Prior to implementing Centra in March 2000, Cognex held classroom product courses for customers and employees to better understand the intricacies of their various machine vision systems.
Using Centra, Iron Mountain can provide customers with a secure environment in which to learn how to use Iron Mountain Connect to implement corporate-wide consistency and accountability within the customer's information management processes and throughout the entire organization.
The new graphical interface provided by Centra Live delivers streamlined, intuitive menus and improved tools and features for live sessions that promote high end-user adoption.
Centra specializes in solutions that increase productivity and lower operational costs for global corporations, government agencies and universities through software and services for online business communication and collaboration.
Centra (NASDAQ: CTRA), a leading provider of specialized solutions, delivering software and services for online business collaboration, today announced that the Department of Education and Children's Services (DECS) in South Australia will use Centra to provide students and teachers with access to real-time online collaboration and learning.

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