1. (meteorology) a low-level cloud, generally formless and dark grey in colour, occurring in layers at low altitude (usually below 2400 metres) and usually bringing precipitation

Encyclopedia: Nimbostratus

• oxygenic
• oxygenise
• oxygenize
• oxyhaemoglobin
• oxyhemoglobin
• Oxylebius
• Oxylebius pictus
• oxymoron
• oxymuriatic
• oxyntic
• oxyopia
• oxyphenbutazone
• oxyphencyclimine
• oxytetracycline
• oxytetracycline hydrochloride
• oxytocic
• oxytocic drug
• oxytocin
• oxytone
• Oxytropis
• Oxytropis lambertii
• Oxyura
• Oxyura jamaicensis
• Oxyuranus
• Oxyuranus scutellatus