quadrant (n.)
- adjunct
- astrolabe
- bevel
- clinometer
- component
- contingent
- crescent
- detachment
- detail
- division
- dole
- fraction
- goniometer
- hemicycle
- installment
- item
- parcel
- part
- particular
- percentage
- portion
- protractor
- quarter
- quota
- remainder
- sample
- sampling
- section
- sector
- segment
- semicircle
- sextant
- share
- subdivision
- subgroup
- subspecies
- theodolite
- transit