an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones; "adulterate liquor"
someone who climbs as a sport; especially someone who climbs mountains; "the lead climber looked strong still but his partner often slumped in his ropes"
a vine or climbing plant that readily grows up a support or over other plants