odd substitution
odd symmetry
odd triangle
odevity
O-direct union
OE gate
off
off-centre
off-diagonal
off-diagonal element
off-diagonally antitone mapping
offline
off-line operation
off-line Turing machine
off-on control
off-peak periods
offset
offset angle
offset direction
offset problem
offset sampling
offset variable
ogee shape
ogive
Ohm’s law
Oka principle
OLS criterion
OLS estimate
omega-completeness
omega-connected
omega-consistency
omega-consistent
omega-group
omega-homomorphism
omega-isomorphism
omega-limit point
omega-limit set
omega-plane
omega-point
omega-square criterion
omega-stability
omega-subgroup
omission
omission of parenthesis
omit
omitted value
omitting type
omitting types theorem
omni
OMNTTAB
on a rough averse
one address
one-address code
one-dress instruction
one-ahead addressing
one-and-for-all simultaneous solution
one-bit memory
one-byte instruction
one-circuited cubic
one-column adder
one- component
one-cycle instruction
one-degree of freedom
one digit adder
one digit subtracter