"a orientation session" is a correct and usable phrase in written English.
It usually refers to a meeting or informational gathering that helps orient new people to an organization, job, or activity. For example: "The company held an orientation session for the new hires to help them get acquainted with the company's policies."
Subjects met with a member of the investigational team for an orientation session in a university laboratory room or a senior center where they regularly attended community activities.
We have an orientation session and a lecture series that runs twice a week during the 10 week period.
Staff at each institution distributed two questionnaires on dietary habits (DHQ) and other lifestyle items during the previous month to students during an orientation session or a first lecture designed for freshman students entering dietetic courses in April 2005; in most institutions, this was carried out within 2 weeks after the course began.
Participants in the home-based arm complete an orientation session with a CEP prior to the commencement of the training.
The Making Studio shops are open to all Columbia GSAPP students who have completed the online safety course, attended an orientation session, and received a safety sticker for their ID.
In the Preparedness category 80% of missions reported an orientation session, 80% had a process for credentialing personnel, and 100% had an exit strategy in event of an emergency.
KATHY ROACH practices her best handshake and smile in a simple exercise she and 25 other eager participants act out during an orientation session for the "Philadelphia Friends," a select corps of volunteers who have agreed to be on call 24 hours a day when Republicans converge on Philadelphia next month for its quadrennial national convention.
ignited a firestorm when he complained during an orientation session about the 28-day waiting period between being sworn in and receiving health care benefits.
