WordNet
adv. according to need (physicians use PRN in writing prescriptions); "add water as needed" [syn: as required, pro re nata, PRN]
Usage examples of "as needed".
As a backup to the recycling systems, each arcology would tow along an asteroid several hundred meters across, to be mined as needed.
In the lake the land-dwelling Makiem could wet down their bodies as needed, swim underwater for long periods for recreation, and there, for one glorious week a year, the otherwise nonsexual Makiem bred.
Like the sea-land cargo containers of the previous century, the holds were detachable and could be parked in orbit or picked up as needed.
The two T'swa had them form ranks and checked their packs, adjusting straps as needed.
And the lodge staff of four, ported there as needed, were at least second generation employees of the family.
Rapidity enables us to act as quickly as needed and always more quickly than the adversary can react or take counter-actions.
They can even tailor the jamming to certain programs by turning it on and off as needed.
Cognitive-Behavioral Therapy methods and suggests medication, as needed.
The captain resembled a great tangled ball of nylon twine, out of which spindly limbs appeared as needed.
Ramolu didn't appear again, but guards saw that their prisoner was fed and his canteen refilled as needed, all without visible animosity.
Listening in, interpreting as needed, Father Gus considered the problems.
The fighter hangars were amidships and had launch apertures that would let the fighters head up or down, as needed, to get into battle.
The local variations - wind speed, soil moisture - are updated as needed in each generation, or seasonally, or day-by-day.