adjunct
astrolabe
azimuth circle
azimuth compass
bevel
bevel protractor
bevel square
clinometer
component
contingent
crescent
cross section
detachment
detail
division
dole
fraction
goniometer
graphometer
half circle
hemicycle
installment
item
pantometer
parcel
part
particular
percentage
portion
protractor
quarter
quota
radiogoniometer
random sample
remainder
sample
sampling
section
sector
segment
semicircle
sextant
share
subdivision
subgroup
subspecies
theodolite
transit
transit circle
transit instrument
area
country
line
measuring device
measuring instrument
measuring system
bastion
comer
extremity
hemisphere
monsoon
periphery
seaboard
suburb
transept
ward-wall