1. Of the colour of slate or granite
   - slate-grey [Brit, Cdn], slate-gray [US], slaty-grey [Brit, Cdn], slaty-gray [US], slaty, stone-grey [Brit, Cdn], stone-gray [US]

See also: achromatic, neutral

• niche
• Nicholas
• Nicholas I
• Nicholas II
• Nicholas V
• Nicholas Vachel Lindsay
• Nichrome
• nick
• nickel
• nickel alloy
• nickel bronze
• nickel note
• nickel silver
• nickel steel
• nickel-and-dime
• nickel-base alloy
• nickel-cadmium accumulator
• nickel-iron accumulator
• nickel-iron battery
• nickelodeon
• nicker
• nicker nut
• nicker seed
• Nicklaus
• nicknack