SUB


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sub

[səb]
(petroleum engineering)
A short, threaded section of pipe used to adapt portions of the drilling string that otherwise cannot be screwed together because of variations in thread or design.

SUB

On drawings, abbr. for “substitute.”

SUB

References in periodicals archive ?
Honor these educators annually during National Substitute Teacher Recognition Week, celebrated in conjunction with Teacher Appreciation Week in May, Fulton County also has a regular substitute teachers newsletter, as well as a district-wide sub committee that meets annually to discuss what could be done to improve the substitutes experience.
Will the next-door teacher, the principal or another educator pop in to make sure the sub is all set for the school day?
Subs can also apply a year of service in the district toward a teaching credential through the state s alternative certification program And in Aldine (Texas) Independent School District, the pay scale goes up if the sub has a degree or is certified, with certified subs earning up to $125 per day for long-term assignments.
But savvy administrators know a true win requires a big picture objective--making sure that subs are not only present, but that they're prepared to continue the learning process.