【建】 cold airduct
cold; cold in manner; shot from hiding
【医】 algor; cry-; crymo-; cryo-; krymo-; kryo-; psychro-
air; airspace; atmosphere
【化】 air
【医】 aer-; aero-; air; physo-
catheter; conduit; duct; meatus; pipe; trachea
【化】 connecting conduct
【医】 catheter; conductor; duct; ductus; iter