Water has a density of 1000 kg/m3 by standard definition at its temperature of maximum density 3.98 Â°C and at 0% salinity. Scientists and engineers use water as a baseline for comparing the relative density of various materials. Water with a density of 1000 kg/m3 at 3.98 Â°C has a mass of 1000kg and a volume of 1 m3.
Spelt is a word. It is the past participle of spell. It is also a type of wheat, and therefore also a noun. It depends upon whether you are using British English (and Spelt is correct) or you are using American English.
(ËspÉlÉªÅ) n. 1. (Linguistics) the act or process of writing words by using the letters conventionally accepted for their formation; orthography. 2. (Linguistics) the art or study of orthography. 3. (Linguistics) the actual way in which a word is spelt. 4. the ability of a person to spell: John's spelling is good.