noun
dry rot
Refers to decay of wood or other organic material caused by fungi in dry conditions, as opposed to wet rot.
この古い家の柱には乾食が見られる。
Dry rot can be seen in the pillars of this old house.
noun
dry corrosion
Technical term for corrosion occurring without the presence of liquid water, often in high-temperature environments. Contrasts with 湿食 (wet corrosion).
See also: 湿食
高温での金属の乾食は、湿食とは異なるメカニズムで進行する。
Dry corrosion of metals at high temperatures proceeds by a different mechanism than wet corrosion.
湿食 refers to wet corrosion, which occurs in the presence of liquid water, while 乾食 is dry corrosion.
Compound of 乾 (dry) and 食 (eat/erode), literally 'dry eating', referring to decay or corrosion in dry conditions. The alternate form 乾蝕 uses 蝕 (erosion/corrosion) for a more explicit meaning.