1. A thin film of oil floating on top of water (especially crude oil spilled from a ship)

Derived forms: oil slicks

Type of: slick

Encyclopedia: Oil slick

• genus Holcus
• genus Holocentrus
• genus Holothuria
• genus Homarus
• genus Homo
• genus Homogyne
• genus Homona
• genus Hordeum
• genus Horneophyton
• genus Hosta
• genus Hottonia
• genus Houttuynia
• genus Hovea
• genus Hoya
• genus Hudsonia
• genus Hugueninia
• genus Hulsea
• genus Humulus
• genus Hunnemania
• genus Hyacinthoides
• genus Hyacinthus
• genus Hyaena
• genus Hyalophora
• genus Hyalosperma
• genus Hybanthus