obbo
/ˈɒbəʊ/(also obo) slang
noun
Observation, especially in police work; an assignment involving this.
Origin
1920s (in an earlier sense). From ob- + -o.
- phase advancer
- phaseal
- phase angle
- phase change
- phase changer
- phase contrast
- phase converter
- phase convertor
- phase curve
- phased array
- phase diagram
- phase displacement
- phase distortion
- phase-down
- phase field
- phase-in
- phase inverter
- phase invertor
- phaseless
- phase-lock
- phasemeter
- phase microscope
- phase microscopy
- phase-modulate
- phase-modulated