nitrify

To oxidize (an ammonia compound) into a nitrite or (a nitrite) into a nitrate, especially by the action of nitrifying bacteria.

To treat or combine with nitrogen or compounds containing nitrogen.

To convert into niter.

To be converted into niter.

To impregnate (the soil) with nitrates in order to stimulate the growth of plants.

In bacteriology, to oxidize (ammonia compounds) to nitrites or (nitrites) to nitrates, by bacterial action.

To combine or impregnate with nitrogen; to convert, by oxidation, into nitrous or nitric acid; to subject to, or produce by, nitrification.

to treat, or react with nitrogen or a nitrogen-containing compound

to convert ammonia or similar compound to a nitrate by oxidation, especially by the action of a microorganism

treat with nitrogen or a nitrogen compound