1. Common Old World viola with creamy often violet-tinged flowers
   - field pansy, heartsease

Type of: viola

Encyclopedia: Viola arvensis

• thermometric
• thermometrograph
• thermometry
• thermonuclear
• thermonuclear bomb
• thermonuclear reaction
• thermonuclear reactor
• thermonuclear warhead
• thermophile
• thermophilic
• thermopile
• thermoplastic
• thermoplastic resin
• Thermopsis
• Thermopsis macrophylla
• Thermopsis villosa
• Thermopylae
• thermoreceptor
• thermoregulator
• thermos
• thermos bottle
• thermos flask
• thermoscope
• thermoset
• thermosetting