1. Intensive prearranged fire delivered when the immanence of enemy attack is discovered

Type of: fire, firing

• hydroxyacetic acid
• hydroxybenzene
• hydroxybenzoic acid
• hydroxybutyric acid
• hydroxychloroquine
• hydroxyl
• hydroxyl group
• hydroxyl ion
• hydroxyl radical
• hydroxylamine
• hydroxymethyl
• hydroxyproline
• hydroxytetracycline
• hydroxyzine
• hydroxyzine hydrochloride
• Hydrozoa
• hydrozoan
• Hydrus
• Hyemoschus
• Hyemoschus aquaticus
• hyena
• hyena dog
• hyerreal
• hyerreal number
• hyetology