1. A metric unit of length equal to one billionth of a meter
   - nanometer [US], nanometre [Brit, Cdn], nm, millimicron, micromillimetre [Brit, Cdn]

Derived forms: micromillimeters

Type of: metric linear unit

Part of: micrometer [US], micrometre [Brit, Cdn], micron

• hybrid vigor
• hybridisation
• hybridise
• hybridising
• hybridism
• hybridity
• hybridization
• hybridize
• hybridizing
• hybridoma
• hydantoin
• hydathode
• hydatid
• hydatid disease
• hydatid mole
• hydatidiform mole
• hydatidosis
• Hyderabad
• trumpery
• trumpet
• trumpet arch
• trumpet creeper
• trumpet flower
• trumpet honeysuckle
• trumpet section