Term: contrail: an artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust
Broader: cloud: a visible mass of water or ice particles suspended at a considerable altitude | Unrelated: firstborn: the offspring who came first in the order of birth
Broader: cloud: a visible mass of water or ice particles suspended at a considerable altitude | Unrelated: crowbait: an emaciated horse likely soon to become carrion and so attractive to crows
Broader: cloud: a visible mass of water or ice particles suspended at a considerable altitude | Unrelated: mesua: genus of tropical Asiatic trees having large solitary flowers
Broader: cloud: a visible mass of water or ice particles suspended at a considerable altitude | Unrelated: deputation: a group of representatives or delegates
Broader: cloud: a visible mass of water or ice particles suspended at a considerable altitude | Unrelated: caecilian: any of the small slender limbless burrowing wormlike amphibians of the order Gymnophiona; inhabit moist soil in tropical regions
Broader: cloud: a visible mass of water or ice particles suspended at a considerable altitude | Unrelated: text: a passage from the Bible that is used as the subject of a sermon
Broader: cloud: a visible mass of water or ice particles suspended at a considerable altitude | Unrelated: agnate: one related on the father's side
Broader: cloud: a visible mass of water or ice particles suspended at a considerable altitude | Unrelated: casualty care research center: an agency in the Department of Defense that is a national center for research on all aspects of injury control and casualty care
Broader: cloud: a visible mass of water or ice particles suspended at a considerable altitude | Unrelated: cefuroxime: a cephalosporin that can be given parenterally (trade name Zinacef) or orally by tablets (trade name Ceftin); indicated for infections of the lungs or throat or ears or urinary tract or meninges
Broader: cloud: a visible mass of water or ice particles suspended at a considerable altitude | Unrelated: gooseberry: spiny Eurasian shrub having greenish purple-tinged flowers and ovoid yellow-green or red-purple berries