(chemistry, electronics) The brittle, bright-purple intermetallic compound AuAl₂, formed when gold and aluminium are heated while in direct contact (for instance, if a gold wire is bonded to an aluminium contact pad and experiences heating due to electrical resistance).

Alternative form of visual purple

Alternative form of bromocresol purple

Alternative form of born to the purple

Haemorhous purpureus, a fringillid bird.

plural of purple finch

The early-purple orchid, Orchis mascula.

plural of purple heart

A deep vibrant reddish purple colour.

Of a deep vibrant reddish purple colour.