culm
Hollow grass stalk
Culm has two unrelated meanings.
In botany, a culm is the hollow, jointed stem of grasses and similar plants like bamboo or wheat: The culm snapped in the wind.
In mining, culm is waste coal dust or slack—the fine refuse left after coal is screened: Piles of culm surrounded the abandoned mine.
Industrial metalworking byproduct
- refuseReject or garbage
- drossMetalwork's floating refuse
- tailingsPost-extraction mineral waste
- spoilDamage or overindulge
debris · anthracite · coal · slack · dust · heap · tip · mine
Plant's central axis
- shootDischarge or capture
- nodeConnection point in networks
- internodeStem section between nodes
- jointShared by multiple parties
hollow · fibrous · straw · stubble · axis · peduncle · sheath · elongation
slag
Industrial metalworking byproduct
spoil · debris · anthracite · coal · slack · dust · heap · tip · mine · colliery
stem
Plant's central axis
joint · hollow · fibrous · straw · stubble · axis · peduncle · sheath · elongation · vascular
wheat
Cereal crop for flour
rice · millet · sorghum · corn · maize · teff · spelt · bamboo · sugarcane · grain
harvest
Gathering mature crops
- threshingExtracting grain from stalks
- combineMerge, or harvesting machine
- stubbleShort regrown facial hair
straw · chaff · fodder · haymaking · winnowing · binding · sheaf · sickle · scythe · reaping