Is Stainless a Real Word?

having no stain; spotless.

What mean by stainless?

Stainless steel is a group of ferrous alloys that contain a minimum of approximately 11% chromium, a composition that prevents the iron from rusting and also provides heat-resistant properties. ... Specific types of stainless steel are often designated by their AISI three-digit number, e.g., 304 stainless.

Is actual a real word?

Actual is an adjective meaning 'true', 'real' and 'the thing in itself'. It does not refer to time. Actual always comes immediately before the noun it is describing: …