Alkanna tinctoria, a plant whose root is used as a red dye. / The dyeing matter extracted from the plant, giving a deep red colour. / Other plants of the genus Alkanna.

plural of alkanet

Lithospermum arvense, a flowering plant of the family Boraginaceae, native to Europe and Asia and known as an introduced species, in much of North America and Australia.

(organic chemistry) Any simple aliphatic thiol.

plural of alkanethiol

(organic chemistry) A thiolate anion derived from an alkane.

plural of alkanethiolate