1. A soft grey malleable metallic element that resembles tin but discolours on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
   - thallium, Tl

Type of: metal, metallic element

Part of: blende, sphalerite, zinc blende

• self-reproof
• self-respect
• self-respectful
• self-respecting
• self-restraining
• self-restraint
• self-righteous
• self-righteously
• self-righteousness
• self-rising flour
• self-rule
• self-sacrifice
• self-sacrificing
• self-satisfaction
• self-satisfied
• self-sealing
• self-seeded
• self-seeker
• self-seeking
• self-service
• self-serving
• self-sowed
• self-sown
• self-starter
• self-stimulation