1. Rank-smelling tropical American pigweed
   - Mexican tea, Spanish tea, wormseed, Chenopodium ambrosioides

Type of: goosefoot

• mass spectrograph
• mass spectrometer
• mass spectroscopic
• mass spectroscopy
• mass spectrum
• mass unit
• mass-action principle
• mass-energy equivalence
• mass-market
• mass-produce
• mass-produced
• mass-spectrometric
• Massachuset
• Massachusetts
• Massachusetts Bay
• Massachusetts Bay Colony
• Massachusetts fern
• Massachusetts Institute of Technology
• massacre
• massage
• massage parlor
• massage parlour
• massager
• massasauga
• massasauga rattler