This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. superlative form of calm: most calm.

v. Second-person singular simple present form of calm

"If we then assume that nearly all of any urban effect will be concentrated in the calm nights, which were defined as the calmest third of nights, then overall urbanisation trends of about 0.03 deg C per decade a bit more than a third of 0.078 deg C per decade in minimum temperature should be readily detectable."

promised