delta iron
A certain allotrope of ironA certain allotrope of iron.
Meaning
1 senses(uncountable, usually)A certain allotrope of iron.
an allotrope of iron that is stable between 1403 degrees centigrade and the melting point (= 1532 degrees)
Forms
plural: delta irons| Singular | delta iron |
|---|
uncountable
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable