veinvein /veɪn/ ●●○ noun 1
[countable] science, biology one of the tubes through which blood flows toward the heart from other parts of the body2[countable] science, biology one of the thin tubes on a leaf that allows sap to move through it3[countable] science, biology a structure that provides support for the wing of an insect4[countable] one of the thin lines on a piece of wood, cheese, marble (=type of stone), etc.5[countable] earth science a thin layer of a valuable metal or mineral which is contained in rock: a vein of gold6in a ... vein in a particular style or way of doing something: in a serious/similar/philosophical etc. vein poems in a more humorous vein She’s made a number of speeches in the same vein.7a vein of humor/malice/talent etc. an amount of a particular quality
[countable] science, biology one of the tubes through which blood flows toward the heart from other parts of the body2[countable] science, biology one of the thin tubes on a leaf that allows sap to move through it3[countable] science, biology a structure that provides support for the wing of an insect4[countable] one of the thin lines on a piece of wood, cheese, marble (=type of stone), etc.5[countable] earth science a thin layer of a valuable metal or mineral which is contained in rock: a vein of gold6in a ... vein in a particular style or way of doing something: in a serious/similar/philosophical etc. vein poems in a more humorous vein She’s made a number of speeches in the same vein.7a vein of humor/malice/talent etc. an amount of a particular quality