delta metal
A brass alloy consisting of copper, zinc and iron, with the balance consisting of…A brass alloy consisting of copper (55%), zinc (41-43%) and iron (1-3%), with the balance consisting of various other metals. The proportions used make the material harder and suitable for valves and bearings.
Meaning
1 senses(uncountable)A brass alloy consisting of copper (55%), zinc (41-43%) and iron (1-3%), with the balance consisting of various other metals. The proportions used make the material harder and suitable for valves and bearings.
Origin
The three metals are symbolised by the triangular (delta) shape.The three metals are symbolised by the triangular (delta) shape.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable