dilution zone

dilution filtration unit

cracked fuel dilution

dilution of crankcase oil

geometric dilution of precision (GDOP)

horizontal dilution of precision (HDOP)

position dilution of precision (PDOP)

time dilution of precision (TDOP)

vertical dilution of precision (VDOP)

dilution

grid zone / grid-zone

zone standard time (zone time) (ZST)

killing zone / kill zone

grid zone designation / Grid Zone Designator

grey-zone / grey zone (international relations)

hundred-per-cent zone (one-hundred-per-cent zone)

no-fire zone / no fire zone

flight restriction zone / flight restricted zone (FRZ)

air defense zone

air defense zone commander

air exclusion zone

area of separation (=buffer zone)

assault dropping zone

buffer zone / area of separation

cold zone (CBRN)

combat zone

communications zone (COMMZ)

contact zone

contaminated zone

contamination zone

defense zone

demilitarized zone (DMZ)

detection zone